Re: [PATCHv4 1/3] fs.c: support buffer cache allocations with gfp modifiers

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On Thu, Sep 04, 2014 at 04:29:39PM +0900, Gioh Kim wrote:
> 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@xxxxxxx>
> Reviewed-by: Jan Kara <jack@xxxxxxx>

Thanks, I've applied this to the ext4 git tree with a slightly
rewritten commit description (for clarity).

						- Ted
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