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| author | Andrew Morton <akpm@linux-foundation.org> | 2007-02-28 20:13:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-01 14:53:38 -0800 |
| commit | 232ea4d69d81169453344b7d05203425c88d973b (patch) | |
| tree | 00799a50022f97a93c0e7524752b817399955851 /mm/vmscan.c | |
| parent | b1a316f6f9c54d668df4304ddf935595501ccb25 (diff) | |
| download | lwn-232ea4d69d81169453344b7d05203425c88d973b.tar.gz lwn-232ea4d69d81169453344b7d05203425c88d973b.zip | |
[PATCH] throttle_vm_writeout(): don't loop on GFP_NOFS and GFP_NOIO allocations
throttle_vm_writeout() is designed to wait for the dirty levels to subside.
But if the caller holds IO or FS locks, we might be holding up that writeout.
So change it to take a single nap to give other devices a chance to clean some
memory, then return.
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 0655d5fe73e8..db023e2ff385 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -952,7 +952,7 @@ static unsigned long shrink_zone(int priority, struct zone *zone, } } - throttle_vm_writeout(); + throttle_vm_writeout(sc->gfp_mask); atomic_dec(&zone->reclaim_in_progress); return nr_reclaimed; |