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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/ext4/inode.c
parent89903327607232de32f05100cf03f9390b858e0b (diff)
downloadlinux-c62d25556be6c965dc14288e796a576e8e39a7e9.tar.bz2
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/ext4/inode.c')
-rw-r--r--fs/ext4/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 612fbcf76b5c..60aaecd5598b 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3344,7 +3344,7 @@ static int __ext4_block_zero_page_range(handle_t *handle,
int err = 0;
page = find_or_create_page(mapping, from >> PAGE_CACHE_SHIFT,
- mapping_gfp_mask(mapping) & ~__GFP_FS);
+ mapping_gfp_constraint(mapping, ~__GFP_FS));
if (!page)
return -ENOMEM;