2014-08-28 오후 10:48, Theodore Ts'o 쓴 글:
On Thu, Aug 28, 2014 at 11:26:31AM +0900, Gioh Kim wrote:
I have 3 patchs:
1. Patch 1/3: introduce a new API that create page cache with allocation flag
2. Patch 2/3: have ext4 use the new API to read superblock
3. Patch 3/3: have jbd/jbd2 use the new
On Thu, Aug 28, 2014 at 11:26:31AM +0900, Gioh Kim wrote:
>
> I have 3 patchs:
>
> 1. Patch 1/3: introduce a new API that create page cache with allocation flag
> 2. Patch 2/3: have ext4 use the new API to read superblock
> 3. Patch 3/3: have jbd/jbd2 use the new API to make journaling of superbl
Hello,
This patch try to solve problem that a long-lasting page caches of
ext4 superblock and journaling of superblock disturb page migration.
I've been testing CMA feature on my ARM-based platform
and found that two page caches cannot be migrated.
They are page caches of superblock of ext4 files
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