[lkml]   [2014]   [Feb]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [patch 05/10] mm: filemap: move radix tree hole searching here
On Mon, Feb 03, 2014 at 07:53:37PM -0500, Johannes Weiner wrote:
> The radix tree hole searching code is only used for page cache, for
> example the readahead code trying to get a a picture of the area
> surrounding a fault.
> It sufficed to rely on the radix tree definition of holes, which is
> "empty tree slot". But this is about to change, though, as shadow
> page descriptors will be stored in the page cache after the actual
> pages get evicted from memory.
> Move the functions over to mm/filemap.c and make them native page
> cache operations, where they can later be adapted to handle the new
> definition of "page cache hole".
> Signed-off-by: Johannes Weiner <>
> Reviewed-by: Rik van Riel <>
> Reviewed-by: Minchan Kim <>

Acked-by: Mel Gorman <>

Mel Gorman

 \ /
  Last update: 2014-02-12 12:41    [W:0.121 / U:0.864 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site