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Subject2.5.33-mm2
http://www.zip.com.au/~akpm/linux/patches/2.5/2.5.33/2.5.33-mm2/

- Linus has merged ia32 NUMA discontigmem support

+ Added a little cleanup patch from various folks.


Threw in the kichen sink:

+writeback-control.patch

Infrastructure for richer communication between the block layer
and the VM.

+queue-congestion.patch

Infrastructure for non-blocking writeout in the block layer.

+nonblocking-pdflush.patch

Non-blocking background writeback

+nonblocking-vm.patch

Non-blocking page reclaim.

This is all about reducing latency when the machine is performing heavy
writeback, which has been a significant performance problem for ever.
The code also happens to provide improved scalability in many-spindle
pagecache writeback.

The code is stable, but by no means complete. Under some loads it will
chew tons of CPU in page reclaim.

But with mem=512m and four instances of `dbench 100' each against a
different disk the machine was 100% responsive and ran a `make -j6
bzImage' in three minutes. Without these patches the kernel took over
five minutes just to unpack the kernel tarball.



linus.patch
cset-1.575-to-1.600.txt.gz

scsi_hack.patch
Fix block-highmem for scsi

ext3-htree.patch
Indexed directories for ext3

zone-pages-reporting.patch
Fix the boot-time reporting of each zone's available pages

enospc-recovery-fix.patch
Fix the __block_write_full_page() error path.

fix-faults.patch
Back out the initial work for atomic copy_*_user()

spin-lock-check.patch
spinlock/rwlock checking infrastructure

refill-rate.patch
refill the inactive list more quickly

copy_user_atomic.patch

kmap_atomic_reads.patch
Use kmap_atomic() for generic_file_read()

kmap_atomic_writes.patch
Use kmap_atomic() for generic_file_write()

throttling-fix.patch
Fix throttling of heavy write()rs.

dirty-state-accounting.patch
Make the global dirty memory accounting more accurate

rd-cleanup.patch
Cleanup and fix the ramdisk driver (doesn't work right yet)

discontig-cleanup-1.patch
i386 discontigmem coding cleanups

discontig-cleanup-2.patch
i386 discontigmem cleanups

writeback-thresholds.patch
Downward adjustments to the default dirtymemory thresholds

buffer-strip.patch
Limit the consumption of ZONE_NORMAL by buffer_heads

rmap-speedup.patch
rmap pte_chain space and CPU reductions

wli-highpte.patch
Resurrect CONFIG_HIGHPTE - ia32 pagetables in highmem

readv-writev.patch
O_DIRECT support for readv/writev

slablru.patch
age slab pages on the LRU

slablru-speedup.patch
slablru optimisations

llzpr.patch
Reduce scheduling latency across zap_page_range

buffermem.patch
Resurrect buffermem accounting

config-PAGE_OFFSET.patch
Configurable kenrel/user memory split

lpp.patch
ia32 huge tlb pages

ext3-sb.patch
u.ext3_sb -> generic_sbp

oom-fix.patch
Fix an OOM condition on big highmem machines

tlb-cleanup.patch
Clean up the tlb gather code

dump-stack.patch
arch-neutral dump_stack() function

wli-cleanup.patch
random cleanups

madvise-move.patch
move mdavise implementation into mm/madvise.c

split-vma.patch
VMA splitting patch

buffer-ops-move.patch
Move submit_bh() and ll_rw_block() into fs/buffer.c

writeback-control.patch
Cleanup and extension of the writeback paths

queue-congestion.patch
Infrastructure for communicating request queue congestion to the VM

nonblocking-pdflush.patch
non-blocking writeback infrastructure, use it for pdflush

nonblocking-vm.patch
Non-blocking page reclaim
-
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