f2fs: use kmem_cache pool during inline xattr lookups

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It's been observed that kzalloc() on lookup_all_xattrs() are called millions
of times on Android, quickly becoming the top abuser of slub memory allocator.

Use a dedicated kmem cache pool for xattr lookups to mitigate this.

Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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Chao Yu 2020-02-25 18:17:10 +08:00 • committed by Jaegeuk Kim

parent dabfbbc8f9

commit a999150f4f

4 changed files with 65 additions and 6 deletions

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3

fs/f2fs/f2fs.h

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10

fs/f2fs/super.c

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54

fs/f2fs/xattr.c

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4

fs/f2fs/xattr.h

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