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| author | Gioh Kim <gioh.kim@lge.com> | 2014-09-04 22:04:42 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2014-09-04 22:04:42 -0400 |
| commit | 3b5e6454aaf6b4439b19400d8365e2ec2d24e411 (patch) | |
| tree | bd1105d5eafdf980633ea5735b75e20af9f614ad /fs/ext4 | |
| parent | d26e2c4d72c2f2a38246f618480864fe3224929c (diff) | |
| download | op-kernel-dev-3b5e6454aaf6b4439b19400d8365e2ec2d24e411.zip op-kernel-dev-3b5e6454aaf6b4439b19400d8365e2ec2d24e411.tar.gz | |
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>
Diffstat (limited to 'fs/ext4')
0 files changed, 0 insertions, 0 deletions
