diff options
| author | Johannes Weiner <jweiner@redhat.com> | 2012-01-11 00:07:53 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-11 01:30:43 +0100 |
| commit | 0faa70cb0180d45a06208e54b552a538aabb8a30 (patch) | |
| tree | 7d734a556ad1568301cf802c5afbaa83cc0bdcd5 /mm/filemap.c | |
| parent | mm: try to distribute dirty pages fairly across zones (diff) | |
| download | linux-0faa70cb0180d45a06208e54b552a538aabb8a30.tar.xz linux-0faa70cb0180d45a06208e54b552a538aabb8a30.zip | |
mm: filemap: pass __GFP_WRITE from grab_cache_page_write_begin()
Tell the page allocator that pages allocated through
grab_cache_page_write_begin() are expected to become dirty soon.
Signed-off-by: Johannes Weiner <jweiner@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Shaohua Li <shaohua.li@intel.com>
Cc: Chris Mason <chris.mason@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index a0701e6eec10..c4ee2e918bea 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2351,8 +2351,11 @@ struct page *grab_cache_page_write_begin(struct address_space *mapping, pgoff_t index, unsigned flags) { int status; + gfp_t gfp_mask; struct page *page; gfp_t gfp_notmask = 0; + + gfp_mask = mapping_gfp_mask(mapping) | __GFP_WRITE; if (flags & AOP_FLAG_NOFS) gfp_notmask = __GFP_FS; repeat: @@ -2360,7 +2363,7 @@ repeat: if (page) goto found; - page = __page_cache_alloc(mapping_gfp_mask(mapping) & ~gfp_notmask); + page = __page_cache_alloc(gfp_mask & ~gfp_notmask); if (!page) return NULL; status = add_to_page_cache_lru(page, mapping, index, |