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Subject[PATCH 00/31] Swap over NFS -v20
Date
Hi,

Here's the latest version of swap over NFS series since -v19 last October by
Peter Zijlstra. Peter does not have time to pursue this further (though he has
not lost interest) and that led me to take over this patchset and try merging
upstream.

The patches are against the current mmotm. It does not support SLQB, yet.
These patches can also be found online here:
http://www.suse.de/~sjayaraman/patches/swap-over-nfs/

The swap over NFS patches are being shipped with openSUSE 11.1 and SLE 11 (with
CONFIG_NFS_SWAP enabled by default) for several months now. There have been
no bugs reported so far due to these patches and it has been found stable.

Changes since -v19:
- rebased patches against current -mm
- adapted changes pertaining to using zone->watermarks array
- dropped cleanup patches/fixes that have already made to upstream
- dropped the patch that remove nfs mempools
- fixed racy nature of sync_page in swap_sync_page (NeilBrown)
- fixed use of uninitialized variable in cache_grow() (Miklos Szeredi)
- fixed a bug in bnx2 driver (Jiri Bohac)
- fixed null-pointer dereferences in swapfile code path when s_bdev is NULL

Thanks,
Suresh Jayaraman

--

Peter Zijlstra (26)
mm: serialize access to min_free_kbytes
mm: expose gfp_to_alloc_flags()
mm: tag reseve pages
mm: sl[au]b: add knowledge of reserve pages
mm: kmem_alloc_estimate()
mm: allow PF_MEMALLOC from softirq context
mm: emergency pool
mm: system wide ALLOC_NO_WATERMARK
mm: __GFP_MEMALLOC
mm: memory reserve management
mm: add support for non block device backed swap files
mm: methods for teaching filesystems about PG_swapcache pages
net: packet split receive api
net: sk_allocation() - concentrate socket related allocations
selinux: tag avc cache alloc as non-critical
netvm: network reserve infrastructure
netvm: INET reserves
netvm: hook skb allocation to reserves
netvm: filter emergency skbs
netvm: prevent a stream specific deadlock
netvm: skb processing
netfilter: NF_QUEUE vs emergency skbs
nfs: teach the NFS client how to treat PG_swapcache pages
nfs: disable data cache revalidation for swapfiles
nfs: enable swap on NFS
nfs: fix various memory recursions possible with swap over NFS

Jeff Mahoney (1)
Fix initialization of ipv4_route_lock

Neil Brown (2)
swap over network documentation
Cope with racy nature of sync_page in swap_sync_page

Miklos Szeredi (1)
Fix use of uninitialized variable in cache_grow()

Suresh Jayaraman (1)
swapfile: avoid NULL pointer dereference in swapon when s_bdev is NULL


fs/nfs/file.c | 18
fs/nfs/pagelist.c | 2
fs/nfs/write.c | 99 ++++
include/linux/mm_types.h | 1
include/linux/skbuff.h | 28 +
include/linux/slab.h | 19
include/net/sock.h | 55 ++
mm/page_alloc.c | 120 ++++--
mm/page_io.c | 2
mm/slab.c | 80 +++-
mm/slob.c | 67 +++
mm/slub.c | 89 ++++
mm/swapfile.c | 53 ++
Documentation/filesystems/Locking | 22 +
Documentation/filesystems/vfs.txt | 18
Documentation/network-swap.txt | 270 +++++++++++++
drivers/net/bnx2.c | 9
drivers/net/e1000e/netdev.c | 7
drivers/net/igb/igb_main.c | 9
drivers/net/ixgbe/ixgbe_main.c | 14
drivers/net/sky2.c | 16
fs/nfs/Kconfig | 10
fs/nfs/file.c | 6
fs/nfs/inode.c | 6
fs/nfs/internal.h | 7
fs/nfs/pagelist.c | 6
fs/nfs/read.c | 6
fs/nfs/write.c | 53 +-
include/linux/buffer_head.h | 1
include/linux/fs.h | 9
include/linux/gfp.h | 3
include/linux/mm.h | 25 +
include/linux/mm_types.h | 1
include/linux/mmzone.h | 3
include/linux/nfs_fs.h | 2
include/linux/pagemap.h | 5
include/linux/reserve.h | 198 +++++++++
include/linux/sched.h | 7
include/linux/skbuff.h | 3
include/linux/slab.h | 4
include/linux/slub_def.h | 1
include/linux/sunrpc/xprt.h | 5
include/linux/swap.h | 4
include/net/inet_frag.h | 7
include/net/netns/ipv6.h | 4
include/net/sock.h | 5
kernel/softirq.c | 3
mm/Makefile | 2
mm/internal.h | 15
mm/page_alloc.c | 16
mm/page_io.c | 51 ++
mm/reserve.c | 637 ++++++++++++++++++++++++++++++++
mm/slab.c | 61 ++-
mm/slob.c | 16
mm/slub.c | 43 +-
mm/swap_state.c | 4
mm/swapfile.c | 30 +
mm/vmstat.c | 6
net/Kconfig | 3
net/core/dev.c | 57 ++
net/core/filter.c | 3
net/core/skbuff.c | 137 +++++-
net/core/sock.c | 107 +++++
net/ipv4/inet_fragment.c | 3
net/ipv4/ip_fragment.c | 86 ++++
net/ipv4/route.c | 70 +++
net/ipv4/tcp.c | 3
net/ipv4/tcp_input.c | 12
net/ipv4/tcp_output.c | 12
net/ipv6/reassembly.c | 85 ++++
net/ipv6/route.c | 77 +++
net/ipv6/tcp_ipv6.c | 15
net/netfilter/core.c | 3
net/sctp/ulpevent.c | 2
net/sunrpc/Kconfig | 5
net/sunrpc/sched.c | 9
net/sunrpc/xprtsock.c | 68 +++
security/selinux/avc.c | 2
net/core/sock.c | 18
net/ipv4/route.c | 2
80 files changed, 2797 insertions(+), 245 deletions(-)


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