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authorMichal Hocko <mhocko@suse.com>2015-11-06 16:28:49 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-06 17:50:42 -0800
commitc62d25556be6c965dc14288e796a576e8e39a7e9 (patch)
treed82b41091f4dd8d378e2e2c841c90093da1485e0 /fs/ntfs
parent89903327607232de32f05100cf03f9390b858e0b (diff)
downloadop-kernel-dev-c62d25556be6c965dc14288e796a576e8e39a7e9.zip
op-kernel-dev-c62d25556be6c965dc14288e796a576e8e39a7e9.tar.gz
mm, fs: introduce mapping_gfp_constraint()
There are many places which use mapping_gfp_mask to restrict a more generic gfp mask which would be used for allocations which are not directly related to the page cache but they are performed in the same context. Let's introduce a helper function which makes the restriction explicit and easier to track. This patch doesn't introduce any functional changes. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Michal Hocko <mhocko@suse.com> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ntfs')
-rw-r--r--fs/ntfs/file.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 262561f..9d383e5 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -525,8 +525,8 @@ static inline int __ntfs_grab_cache_pages(struct address_space *mapping,
}
}
err = add_to_page_cache_lru(*cached_page, mapping,
- index,
- GFP_KERNEL & mapping_gfp_mask(mapping));
+ index,
+ mapping_gfp_constraint(mapping, GFP_KERNEL));
if (unlikely(err)) {
if (err == -EEXIST)
continue;
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