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Subject2.6.4-mm1

ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.4/2.6.4-mm1/



- The CPU scheduler changes in -mm (sched-domains) have been hanging about
for too long. I had been hoping that the people who care about SMT and
NUMA performance would have some results by now but all seems to be silent.

I do not wish to merge these up until the big-iron guys can say that they
suit their requirements, with a reasonable expectation that we will not
need to churn this code later in the 2.6 series.

So. If you have been testing, please speak up. If you have not been
testing, please do so.


- Major surgery against the pagecache, radix-tree and writeback code. This
work is to address the O_DIRECT-vs-buffered data exposure horrors which
we've been struggling with for months.

As a side-effect, 32 bytes are saved from struct inode and eight bytes
are removed from struct page.

This change will break any arch code which is using page->list and will
also break any arch code which is using page->lru of memory which was
obtained from slab.

It seems to work OK here, but I suggest people not rush out and convert
all of the corporate finance department's servers to 2.6.4-mm1.

The basic problem which we (mainly Daniel McNeil) have been struggling
with is in getting a really reliable fsync() across the page lists while
other processes are performing writeback against the same file. It's like
juggling four bars of wet soap with your eyes shut while someone is
whacking you with a baseball bat. Daniel pretty much has the problem
plugged but I suspect that's just because we don't have testcases to
trigger the remaining problems. The complexity and additional locking
which those patches add is worrisome.

So the approach taken here is to remove the page lists altogether and
replace the list-based writeback and wait operations with in-order
radix-tree walks.

The radix-tree code has been enhanced to support "tagging" of pages, for
later searches for pages which have a particular tag set. This means that
we can ask the radix tree code "find me the next 16 dirty pages starting at
pagecache index N" and it will do that in O(log64(N)) time.

This affects I/O scheduling potentially quite significantly. It is no
longer the case that the kernel will submit pages for I/O in the order in
which the application dirtied them. We instead submit them in file-offset
order all the time.

This is likely to be advantageous when applications are seeking all over
a large file randomly writing small amounts of data. I haven't performed
much benchmarking, but tiobench random write throughput seems to be
increased by 30%. Other tests appear to be unaltered. dbench may have got
10-20% quicker, but it's variable.

There is one large file which everyone seeks all over randomly writing
small amounts of data: the blockdev mapping which caches filesystem
metadata. The kernel's IO submission patterns for this are now ideal.


Because writeback and wait-for-writeback use a tree walk instead of a
list walk they are no longer livelockable. This probably means that we no
longer need to hold i_sem across O_SYNC writes and perhaps fsync() and
fdatasync(). This may be beneficial for databases: multiple processes
writing and syncing different parts of the same file at the same time can
now all submit and wait upon writes to just their own little bit of the
file, so we can get a lot more data into the queues.

It is trivial to implement a part-file-fdatasync() as well, so
applications can say "sync the file from byte N to byte M", and multiple
applications can do this concurrently. This is easy for ext2 filesystems,
but probably needs lots of work for data-journalled filesystems and XFS and
it probably doesn't offer much benefit over an i_semless O_SYNC write.

- Dropped the hotplug CPU patches: bits of them were merged into Linus's
kernel and things broke.

- Various little fixes as usual.




Changes since 2.6.4-rc2-mm1:


bk-acpi.patch
bk-alsa.patch
bk-driver-core.patch
bk-i2c.patch
bk-input.patch
bk-netdev.patch
bk-pci.patch
bk-scsi.patch
bk-usb.patch

Latest external trees

-export-filemap_flush.patch
-vma-corruption-fix.patch
-centaur-crypto-core-support.patch

Merged

+bk-acpi-warning-fix.patch

Fix a warning

+x86_64-update.patch

Latest x86_64 code drop

+print-kernel-version-in-oops.patch

Display the kernel version in the x86 oops message

+ppc64-iseries-virtual-console-fix.patch

iSeries device number fix

-zap_page_range-debug.patch

Turns out the code path which this patch was trying to detect the deadness
of is in fact used.

+sched-stats-64-bit.patch

Use 64-bit numbers for various CPU scheduler statistics

-hotplugcpu-generalise-bogolock.patch
-hotplugcpu-generalise-bogolock-fix-for-kthread-stop-using-signals.patch
-hotplugcpu-use-bogolock-in-modules.patch
-hotplugcpu-core.patch
-stop_machine-warning-fix.patch
-hotplugcpu-core-sparc64-build-fix.patch
-hotplugcpu-core-fix-for-kthread-stop-using-signals.patch
-migrate_to_cpu-dependency-fix.patch
-hotplugcpu-core-drain_local_pages-fix.patch
-hotplugcpu-rcupdate-many-cpus-fix.patch

Dropped

-ext3-dirty-debug-patch.patch

This debug trap never triggered

-fusion-use-min-max.patch

Other changes broke this

+dm-map-rwlock-ng.patch

New version of spinlocking for the device mapper map tables

+dm-remove-__dm_request.patch

Remvoe __dm_request()

+md-array-assembly-major-fix.patch

RAID fix

+fadvise-fixups.patch

Fix some fadvise() boundary conditions

+validate_mm-fixes.patch

Enhance validate_mm()

+3ware-update.patch

3ware driver update

+3c59x-xcvr-fix.patch

Fix 3c59x transceiver handling

+current_is_keventd-speedup.patch

Simplify current_is_keventd()

+root-ramdisk-fix.patch

Make "root=/dev/ram" work again

+cciss-per-device-queues.patch

per-device queues for the cciss driver

+blkdev-fix-final-page.patch

Fix reads of the final block of blockdevs

+wavfront-needs-syscalls_h.patch

Warning (and possible oops) fixes

+edd-legacy-parameters-fix.patch

EDD back-compatibility

+cciss-section-fix.patch

__init section fix

+pte_chain-nowarns.patch

Prevent possible-but-expected page allocator warnings

+macintosh-config-fix.patch

Don't offer mac drivers on other platforms

+applicom-warning-fix.patch

Fix a warning

+CONFIG_NVRAM-dependencies.patch

Fix NVRAM dependencies

+move-job-control-stuff-tosignal_struct.patch

Move various job control fields out of the task_struct and into the
signal_struct.

+module_h-attribute_used-fix.patch

__attribute_used__ sanity

+kobject-module-request-64-bit-fix.patch

Fix for 64-bit machines

+sch_htb-fix.patch

netfilter 64-bit fix

+blk-congestion-races.patch

Conceivably fix rare races in blk_congestion_wait()

+vm-lrutopage-cleanup.patch

Add a handy macro to tidy up vmscan.c

+radix-tree-tagging.patch

Add search tagging to radix trees.

+irq-safe-pagecache-lock.patch

Make mapping->page_lock irq-safe, and rename it to tree_lock to detect
missed conversions.

+tag-dirty-pages.patch

Tag dirty pages as being dirty within their radix trees.

+tag-writeback-pages.patch

Tag writeback pages as being under writeback in their radix trees

+stop-using-dirty-pages.patch
+stop-using-io-pages.patch
+stop-using-locked-pages.patch
+stop-using-clean-pages.patch

Wean the kernel off the four address_space page lists

+unslabify-pgds-and-pmds.patch

We cannot use page->lru to manage slab-derived pages: slab itself wants to
use it.

+slab-stop-using-page-list.patch

Switch slab page management from page->list to page->lru.

+page_alloc-stop-using-page-list.patch

Switch the page allocator from using page->list to using page->lru.

+hugetlb-stop-using-page-list.patch

Switch the hugetlbpage implementations from using page->list to using
page->lru.

+pageattr-stop-using-page-list.patch

Switch the pageattr code (CONFIG_DEBUG_PAGEALLOC) from using page->list to
using page->lru.

+readahead-stop-using-page-list.patch

Switch the readpages() API from using page->list over to using page->lru.

+compound-pages-stop-using-lru.patch

Teach the compound page management to use page fields other than page->list.

+remove-page-list.patch

Remove the `list' field from struct page.

+remap-file-pages-prot-ia64-2.6.4-rc2-mm1-A0.patch

Implement the per-page-permissions-in-remap_file_pages for ia64. Hasn't
been tested.

-4g4g-THREAD_SIZE-fixes.patch
-4g4g-handle_BUG-fix.patch

Folded into 4g-2.6.0-test2-mm2-A5.patch

O_DIRECT-vs-buffered-fix.patch
O_DIRECT-vs-buffered-fix-pdflush-hang-fix.patch
serialise-writeback-fdatawait.patch
restore-writeback-trylock.patch

Dropped. Hopefully we don't need these any more.






All 258 patches:



bk-acpi.patch

bk-alsa.patch

bk-driver-core.patch

bk-i2c.patch

bk-input.patch

bk-netdev.patch

bk-pci.patch

bk-scsi.patch

bk-usb.patch

mm.patch
add -mmN to EXTRAVERSION

dma_sync_for_device-cpu.patch
dma_sync_for_{cpu,device}()
bk-acpi-warning-fix.patch
bk-acpi warning fixes

x86_64-update.patch
x86-64 merge for 2.6.4

move-dma_consistent_dma_mask.patch
move consistent_dma_mask to the generic device

move-dma_consistent_dma_mask-x86_64-fix.patch

move-dma_consistent_dma_mask-sn-fix.patch
Fix dma_mask patch for sn platform

print-kernel-version-in-oops.patch
print kernel version in oops messages

kgdb-ga.patch
kgdb stub for ia32 (George Anzinger's one)
kgdbL warning fix
kgdb buffer overflow fix
kgdbL warning fix
kgdb: CONFIG_DEBUG_INFO fix
x86_64 fixes
correct kgdb.txt Documentation link (against 2.6.1-rc1-mm2)

kgdb-ga-recent-gcc-fix.patch
kgdb: fix for recent gcc

kgdboe-netpoll.patch
kgdb-over-ethernet via netpoll

kgdboe-non-ia32-build-fix.patch

kgdb-warning-fixes.patch
kgdb warning fixes

kgdb-x86_64-support.patch
kgdb-x86_64-support.patch for 2.6.2-rc1-mm3

kgdb-THREAD_SIZE-fixes.patch
THREAD_SIZE fixes for kgdb

must-fix.patch
must fix lists update
must fix list update
mustfix update

must-fix-update-5.patch
must-fix update

ppc64-iseries-virtual-console-fix.patch
ppc64: fix iSeries virtual console devices

ppc64-reloc_hide.patch

compat-signal-noarch-2004-01-29.patch
Generic 32-bit compat for copy_siginfo_to_user

compat-generic-ipc-emulation.patch
generic 32 bit emulation for System-V IPC

remove-sys_ioperm-stubs.patch
Clean up sys_ioperm stubs

readdir-cleanups.patch
readdir() cleanups

ext3-journalled-quotas-2.patch
ext3: journalled quota

invalidate_inodes-speedup.patch
invalidate_inodes speedup
more invalidate_inodes speedup fixes

cfq-4.patch
CFQ io scheduler
CFQ fixes

config_spinline.patch
uninline spinlocks for profiling accuracy.

pdflush-diag.patch

get_user_pages-handle-VM_IO.patch
fix get_user_pages() against mappings of /dev/mem

pci_set_power_state-might-sleep.patch

CONFIG_STANDALONE-default-to-n.patch
Make CONFIG_STANDALONE default to N

extra-buffer-diags.patch

CONFIG_SYSFS.patch
From: Pat Mochel <mochel@osdl.org>
Subject: [PATCH] Add CONFIG_SYSFS

CONFIG_SYSFS-boot-from-disk-fix.patch

slab-leak-detector.patch
slab leak detector
mm/slab.c warning in cache_alloc_debugcheck_after

scale-nr_requests.patch
scale nr_requests with TCQ depth

truncate_inode_pages-check.patch

local_bh_enable-warning-fix.patch

sched-stats-64-bit.patch
Use 64-bit counters for scheduler stats

sched-find_busiest_node-resolution-fix.patch
sched: improved resolution in find_busiest_node

sched-domains.patch
sched: scheduler domain support
sched: fix for NR_CPUS > BITS_PER_LONG
sched: clarify find_busiest_group
sched: find_busiest_group arithmetic fix
sched-domains-improvements.patch
sched domains kernbench improvements

sched-clock-fixes.patch
fix sched_clock()

sched-sibling-map-to-cpumask.patch
sched: cpu_sibling_map to cpu_mask
p4-clockmod sibling_map fix
p4-clockmod: handle more than two siblings

sched-domains-i386-ht.patch
sched: implement domains for i386 HT
sched: Fix CONFIG_SMT oops on UP
sched: fix SMT + NUMA bug
Change arch_init_sched_domains to use cpu_online_map
Fix build with NR_CPUS > BITS_PER_LONG
sched-domain-tweak.patch
i386-sched-domain code consolidation

sched-no-drop-balance.patch
sched: handle inter-CPU jiffies skew

sched-directed-migration.patch
sched_balance_exec(): don't fiddle with the cpus_allowed mask

sched-domain-debugging.patch
sched_domain debugging

sched-domain-balancing-improvements.patch
scheduler domain balancing improvements

sched-group-power.patch
sched-group-power
sched-group-power warning fixes

sched-domains-use-cpu_possible_map.patch
sched_domains: use cpu_possible_map

sched-smt-nice-handling.patch
sched: SMT niceness handling

sched-smt-nice-optimisation.patch
sched: SMT-ice optimisation

fa311-mac-address-fix.patch
wrong mac address with netgear FA311 ethernet card

laptop-mode-2.patch
laptop-mode for 2.6, version 6
Documentation/laptop-mode.txt
laptop-mode documentation updates
Laptop mode documentation addition
laptop mode simplification

pid_max-fix.patch
Bug when setting pid_max > 32k
use-soft-float.patch
Use -msoft-float

DRM-cvs-update.patch
DRM cvs update

drm-include-fix.patch

process-migration-speedup.patch
Reduce TLB flushing during process migration

nfs-31-attr.patch
NFSv2/v3/v4: New attribute revalidation code

nfs-reconnect-fix.patch

nfs-mount-fix.patch
Update to NFS mount....
nfs-d_drop-lowmem.patch
NFS: handle nfs_fhget() error

nfs-avoid-i_size_write.patch
NFS: avoid unlocked i_size_write()

nfs_unlink-oops-fix.patch
nfs: fix "busy inodes after umount"

nfs-remove-XID-spinlock.patch
nfs: Remove an unnecessary spinlock from XID generation...

nfs-misc-rpc-fixes.patch
nfs: Misc RPC fixes...

nfs-improved-writeback-strategy.patch
nfs: improve writeback caching

nfs-simplify-config-options.patch
nfs: simplify client configuration options.

nfs-fix-msync.patch
nfs: fix msync()

nfs-mount-return-useful-errors.patch
nfs: make mount command return more useful errors

nfs-misc-minor-fixes.patch
nfs: misc minor fixes

nfs-lockd-sync-01.patch
nfs: sync lockd to 2.4.x

nfs-lockd-sync-02.patch
nfs: sync lockd to 2.4.x

nfs-lockd-sync-03.patch
nfs: sync lockd to 2.4.x

nfs-lockd-sync-04.patch
nfs: sync lockd to 2.4.x

nfs-rpc-remove-redundant-memset.patch
nfs: remove unnecessary memset() in RPC

nfs-tunable-rpc-slot-table.patch
nfs: make the RPC slot table size a tunable value.

nfs-short-read-fix.patch
nfs: fix an NFSv2 read bug

nfs-server-in-root_server_path.patch
Pull NFS server address out of root_server_path

non-readable-binaries.patch
Handle non-readable binfmt_misc executables

binfmt_misc-credentials.patch
binfmt_misc: improve calaulation of interpreter's credentials

initramfs-search-for-init.patch
search for /init for initramfs boots

adaptive-lazy-readahead.patch
adaptive lazy readahead

sysfs_remove_dir-race-fix.patch
sysfs_remove_dir-vs-dcache_readdir race fix

sysfs_remove_subdir-dentry-leak-fix.patch
Fix dentry refcounting in sysfs_remove_group()

per-node-rss-tracking.patch
Track per-node RSS for NUMA

aic7xxx-deadlock-fix.patch
aic7xxx deadlock fix

futex_wait-debug.patch
futex_wait debug

module_exit-deadlock-fix.patch
module unload deadlock fix

selinux-inode-race-trap.patch
Try to diagnose Bug 2153

ufs2-01.patch
read-only support for UFS2

ide-scsi-error-handling-fixes.patch
ide-scsi error handling fixes

ide-scsi-error-handling-update.patch
ide-scsi error handler update

fb_console_init-fix.patch
fb_console_init fix

poll-select-longer-timeouts.patch
poll()/select(): support longer timeouts

poll-select-range-check-fix.patch
poll()/select() range checking fix

poll-select-handle-large-timeouts.patch
poll()/select(): handle long timeouts

pcmcia-debugging-rework-1.patch
Overhaul PCMCIA debugging (1)

cs_err-compile-fix.patch
pcmcia: workaround for gcc-2.95 bug in cs_err()

pcmcia-debugging-rework-2.patch
Overhaul PCMCIA debugging (2)

distribute-early-allocations-across-nodes.patch
Manfred's patch to distribute boot allocations across nodes

time-interpolator-fix.patch
time interpolator fix

kmsg-nonblock.patch
teach /proc/kmsg about O_NONBLOCK

mixart-build-fix.patch
CONFIG_SND_MIXART doesn't compile

add-a-slab-for-ethernet.patch
Add a kmalloc slab for ethernet packets

remove-__io_virt_debug.patch
remove __io_virt_debug

genrtc-cleanups.patch
genrtc: cleanups

piix_ide_init-can-be-__init.patch
piix_ide_init can be __init

i386-early-memory-cleanup.patch
i386 very early memory detection cleanup patch

modular-mce-handler.patch
Allow X86_MCE_NONFATAL to be a module

remove-more-KERNEL_SYSCALLS.patch
further __KERNEL_SYSCALLS__ removal
build fix for remove-more-KERNEL_SYSCALLS.patch
fix the build for remove-more-KERNEL_SYSCALLS

mq-01-codemove.patch
posix message queues: code move

mq-02-syscalls.patch
posix message queues: syscall stubs

mq-03-core.patch
posix message queues: implementation

mq-03-core-update.patch
posix message queues: update to core patch

mq-04-linuxext-poll.patch
posix message queues: linux-specific poll extension

mq-05-linuxext-mount.patch
posix message queues: made user mountable

mq-update-01.patch
posix message queue update

mq-security-fix.patch
security bugfix for mqueue

dm-01-endio-method.patch
dm: endio method

dm-03-list_for_each_entry-audit.patch
dm: list_for_each_entry audit

dm-04-default-queue-limits-fix.patch
dm: default queue limits

dm-05-list-targets-command.patch
dm: list targets cmd

dm-06-stripe-width-fix.patch
dm: stripe width fix

queue-congestion-callout.patch
Add queue congestion callout

queue-congestion-dm-implementation.patch
Implement queue congestion callout for device mapper

dm-maplock.patch
devicemapper: use rwlock for map alterations

dm-map-rwlock-ng.patch
Another DM maplock implementation

dm-remove-__dm_request.patch
dmL remove __dm_request

use-wait_task_inactive-in-kthread_bind.patch
use wait_task_inactive() in kthread_bind()

HPFS1-hpfs2-RC4-rc1.patch

HPFS2-hpfs_namei-RC4-rc1.patch

selinux-cleanup-binary-mount-data.patch
selinux: clean up binary mount data

udffs-update.patch
UDF filesystem update

kbuild-redundant-CFLAGS.patch
kbuild: Remove CFLAGS assignment in i386/mach-*/Makefile

numa-aware-zonelist-builder.patch
NUMA-aware zonelist builder
numa-aware zonelist builder fix
numa-aware node builder fix #2

remove-redundant-unplug_timer-deletion.patch
Redundant unplug_timer deletion

queue_work_on_cpu.patch
Add queue_work_on_cpu() workqueue function

m68k-rename-sys_functions.patch
m68k: rename sys_* functions

pdc202xx_new-update.patch
ide: update for pdc202xx_new driver

siimage-update.patch
ide: update for siimage driver

ide-cleanups-01.patch
ide: IDE cleanups

ide-cleanups-02.patch
ide: IDE cleanups

ide-cleanups-03.patch
ide: IDE cleanups

cdromaudio-use-dma.patch
use DMA for CDROM audio reading

sysfs-pin-kobject.patch
sysfs: pin kobjects to fix use-after-free crashes

ATI-IXP-IDE-support.patch
ATI IXP IDE support

ipmi-updates-3.patch
IPMI driver updates

ipmi-socket-interface.patch
IPMI: socket interface

md-use-schedule_timeout.patch
md: use "shedule_timeout(2)" instead of yield()

md-array-assembly-fix.patch
md: allow assembling of partitioned arrays at boot time.

md-array-assembly-major-fix.patch
md array assembly major number fix

compiler_h-scope-fixes.patch
compiler.h scoping fixes

nmi_watchdog-local-apic-fix.patch
Fix nmi_watchdog=2 and P4 HT

nmi-1-hz.patch
set nmi_hz to 1 with nmi_watchdog=2 and SMP

elf-mmap-fix.patch
Fix elf mapping of the zero page

kbuild-more-cleaning.patch
kbuild: Cause `make clean' to remove more files

LOOP_CHANGE_FD.patch
LOOP_CHANGE_FD ioctl

loop-setup-race-fix.patch
loop setup race fix

handle-dot-o-paths.patch
kbuild: fix usage with directories containing '.o'

acpi-asmlinkage-fix.patch
gcc-3.5: acpi build fix

ipc-sem-extra-sem_unlock.patch
Remove unneeded unlock in ipc/sem.c

procfs-dangling-subdir-fix.patch
/proc data corruption check

AMD-768MPX-bootmem-fix.patch
Work around an AMD768MPX erratum

i810fb-on-x86_64.patch
Enable i810 fb on x86-64

ext23-remove-acl-limits.patch
Remove arbitrary #acl entries limits on ext[23] when reading

watchdog-moduleparam-patches.patch
watchdog: moduleparam-patches

amd-elan-fix.patch
AMD ELAN Kconfig fix

pcmcia-netdev-ordering-fixes.patch
PCMCIA netdevice ordering issues

fadvise-fixups.patch
fadvise(POSIX_FADV_DONTNEED) fixups

validate_mm-fixes.patch
Fix and harden validate_mm

3ware-update.patch
3ware driver update

3c59x-xcvr-fix.patch
Fix 3c59x transceiver handling

current_is_keventd-speedup.patch
current_is_keventd() speedup

root-ramdisk-fix.patch
Fix rootfs on ramdisk

cciss-per-device-queues.patch
cciss: per device queues

blkdev-fix-final-page.patch
Fix reading the last block on a bdev

wavfront-needs-syscalls_h.patch
wavfront.c needs syscalls.h

edd-legacy-parameters-fix.patch
EDD: Get Legacy Parameters

cciss-section-fix.patch
cciss: init section fix

pte_chain-nowarns.patch
add nowarn to a few pte chain allocators

macintosh-config-fix.patch
Disable Macintosh device drivers for all but PPC || MAC
applicom-warning-fix.patch
Applicom warning

CONFIG_NVRAM-dependencies.patch
Fix CONFIG_NVRAM dependencies

move-job-control-stuff-tosignal_struct.patch
moef job control fields from task_struct to signal_struct

module_h-attribute_used-fix.patch
module.h __attribute_used__ fix

kobject-module-request-64-bit-fix.patch
Fix a 64bit bug in kobject module request

sch_htb-fix.patch
net: fix sch_htb on 64-bit

instrument-highmem-page-reclaim.patch
vm: per-zone vmscan instrumentation

blk_congestion_wait-return-remaining.patch
return remaining jiffies from blk_congestion_wait()

blk-congestion-races.patch
Narrow blk_congestion_wait races

vmscan-remove-priority.patch
mm/vmscan.c: remove unused priority argument.

kswapd-throttling-fixes.patch
kswapd throttling fixes

vm-refill_inactive-preserve-referenced.patch
vmscan: preserve page referenced info in refill_inactive()

shrink_slab-precision-fix.patch
shrink_slab: math precision fix

try_to_free_pages-shrink_slab-evenness.patch
vm: shrink slab evenly in try_to_free_pages()

vmscan-total_scanned-fix.patch
vmscan: fix calculation of number of pages scanned

shrink_slab-for-all-zones-2.patch
vm: scan slab in response to highmem scanning

zone-balancing-fix-2.patch
vmscan: zone balancing fix

vmscan-control-by-nr_to_scan-only.patch
vmscan: drive everything via nr_to_scan

vmscan-balance-zone-scanning-rates.patch
Balance inter-zone scan rates

vmscan-dont-throttle-if-zero-max_scan.patch
vmscan: avoid bogus throttling

kswapd-avoid-higher-zones.patch
kswapd: avoid unnecessary reclaiming from higher zones

kswapd-avoid-higher-zones-reverse-direction.patch
kswapd: fix lumpy page reclaim

kswapd-avoid-higher-zones-reverse-direction-fix.patch
fix the kswapd zone scanning algorithm

vmscan-throttle-later.patch
vmscan: less throttling of page allocators and kswapd

vm-batch-inactive-scanning.patch
vmscan: batch up inactive list scanning work

vm-batch-inactive-scanning-fix.patch
fix vm-batch-inactive-scanning.patch

vm-balance-refill-rate.patch
vm: balance inactive zone refill rates

vm-lrutopage-cleanup.patch
vmscan: add lru_to_page() helper

slab-no-higher-order.patch
slab: avoid higher-order allocations

O_DIRECT-race-fixes-rollup.patch
O_DIRECT data exposure fixes

O_DIRECT-ll_rw_block-vs-block_write_full_page-fix.patch
Fix race between ll_rw_block() and block_write_full_page()

blockdev-direct-io-speedup.patch
blockdev direct-io speedups

dio-aio-fixes.patch
direct-io AIO fixes

aio-fallback-bio_count-race-fix-2.patch
AIO+DIO bio_count race fix

aio-direct-io-oops-fix.patch
AIO/direct-io oops fix

radix-tree-tagging.patch
radix-tree tags for selective lookup

irq-safe-pagecache-lock.patch
make the pagecache lock irq-safe.

tag-dirty-pages.patch
tag dirty pages as such in the radix tree

tag-writeback-pages.patch
tag writeback pages as such in their radix tree

stop-using-dirty-pages.patch
stop using the address_space dirty_pages list

stop-using-io-pages.patch
remove address_space.io_pages

stop-using-locked-pages.patch
Stop using address_space.locked_pages

stop-using-clean-pages.patch
stop using address_space.clean_pages

unslabify-pgds-and-pmds.patch
revert the slabification of i386 pgd's and pmd's

slab-stop-using-page-list.patch
slab: stop using page.list

page_alloc-stop-using-page-list.patch
stop using page.list in the page allocator

hugetlb-stop-using-page-list.patch
stop using page->list in the hugetlbpage implementations

pageattr-stop-using-page-list.patch
stop using page.list in pageattr.c

readahead-stop-using-page-list.patch
stop using page.list in readahead

compound-pages-stop-using-lru.patch
stop using page->lru in compound pages

remove-page-list.patch
remove page.list

remap-file-pages-prot-2.6.4-rc1-mm1-A1.patch
per-page protections for remap_file_pages()

remap-file-pages-prot-ia64-2.6.4-rc2-mm1-A0.patch
remap_file_pages page-prot implementation for ia64

list_del-debug.patch
list_del debug check

oops-dump-preceding-code.patch
i386 oops output: dump preceding code

lockmeter.patch
lockmeter

lockmeter-ia64-fix.patch
ia64 CONFIG_LOCKMETER fix

4g-2.6.0-test2-mm2-A5.patch
4G/4G split patch
4G/4G: remove debug code
4g4g: pmd fix
4g/4g: fixes from Bill
4g4g: fpu emulation fix
4g/4g usercopy atomicity fix
4G/4G: remove debug code
4g4g: pmd fix
4g/4g: fixes from Bill
4g4g: fpu emulation fix
4g/4g usercopy atomicity fix
4G/4G preempt on vstack
4G/4G: even number of kmap types
4g4g: fix __get_user in slab
4g4g: Remove extra .data.idt section definition
4g/4g linker error (overlapping sections)
4G/4G: remove debug code
4g4g: pmd fix
4g/4g: fixes from Bill
4g4g: fpu emulation fix
4g4g: show_registers() fix
4g/4g usercopy atomicity fix
4g4g: debug flags fix
4g4g: Fix wrong asm-offsets entry
cyclone time fixmap fix
4G/4G preempt on vstack
4G/4G: even number of kmap types
4g4g: fix __get_user in slab
4g4g: Remove extra .data.idt section definition
4g/4g linker error (overlapping sections)
4G/4G: remove debug code
4g4g: pmd fix
4g/4g: fixes from Bill
4g4g: fpu emulation fix
4g4g: show_registers() fix
4g/4g usercopy atomicity fix
4g4g: debug flags fix
4g4g: Fix wrong asm-offsets entry
cyclone time fixmap fix
use direct_copy_{to,from}_user for kernel access in mm/usercopy.c
4G/4G might_sleep warning fix
4g/4g pagetable accounting fix
Fix 4G/4G and WP test lockup
4G/4G KERNEL_DS usercopy again
Fix 4G/4G X11/vm86 oops
Fix 4G/4G athlon triplefault
4g4g SEP fix
Fix 4G/4G split fix for pre-pentiumII machines
4g/4g PAE ACPI low mappings fix
zap_low_mappings() cannot be __init
4g/4g: remove printk at boot
4g4g: fix handle_BUG()
4g4g: acpi sleep fixes
4g4g-locked-userspace-copy.patch
Do a locked user-space copy for 4g/4g

ia32-4k-stacks.patch
ia32: 4Kb stacks (and irqstacks) patch

ia32-4k-stacks-build-fix.patch
4k stacks build fix

4k-stacks-in-modversions-magic.patch
Add 4k stacks to module version magic

ppc-fixes.patch
make mm4 compile on ppc

ppc-fixes-dependency-fix.patch
ppc-fixes dependency fix



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