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authorGioh Kim <gioh.kim@lge.com>2014-09-05 02:04:42 (GMT)
committerTheodore Ts'o <tytso@mit.edu>2014-09-05 02:04:42 (GMT)
commit3b5e6454aaf6b4439b19400d8365e2ec2d24e411 (patch)
treebd1105d5eafdf980633ea5735b75e20af9f614ad /CREDITS
parentd26e2c4d72c2f2a38246f618480864fe3224929c (diff)
downloadlinux-3b5e6454aaf6b4439b19400d8365e2ec2d24e411.tar.xz
fs/buffer.c: support buffer cache allocations with gfp modifiers
A buffer cache is allocated from movable area because it is referred for a while and released soon. But some filesystems are taking buffer cache for a long time and it can disturb page migration. New APIs are introduced to allocate buffer cache with user specific flag. *_gfp APIs are for user want to set page allocation flag for page cache allocation. And *_unmovable APIs are for the user wants to allocate page cache from non-movable area. Signed-off-by: Gioh Kim <gioh.kim@lge.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz>
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