Messages in this thread Patch in this message | | | From | Johannes Weiner <> | Subject | [patch 3/4] mm: filemap: pass __GFP_WRITE from grab_cache_page_write_begin() | Date | Tue, 20 Sep 2011 15:45:14 +0200 |
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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> --- mm/filemap.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/mm/filemap.c b/mm/filemap.c index 645a080..cf0352d 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2349,8 +2349,11 @@ 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: @@ -2358,7 +2361,7 @@ 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, -- 1.7.6
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