diff options
| author |   Wu Fengguang <fengguang.wu@intel.com> | 2011-05-24 17:12:25 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 08:39:25 -0700 |
| commit | 7b1de5868b124d8f399d8791ed30a9b679d64d4d (patch) | |
| tree | 3a7d5d7a6ccc3226648cb0e56387614b7066c3ff /mm/vmscan.c | |
| parent | mm: check if any page in a pageblock is reserved before marking it MIGRATE_RESERVE (diff) | |
| download | linux-dev-7b1de5868b124d8f399d8791ed30a9b679d64d4d.tar.xz linux-dev-7b1de5868b124d8f399d8791ed30a9b679d64d4d.zip | |
readahead: readahead page allocations are OK to fail
Pass __GFP_NORETRY|__GFP_NOWARN for readahead page allocations.
readahead page allocations are completely optional. They are OK to fail
and in particular shall not trigger OOM on themselves.
Reported-by: Dave Young <hidave.darkstar@gmail.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: Pekka Enberg <penberg@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')
0 files changed, 0 insertions, 0 deletions