lkml.org 
[lkml]   [2012]   [Jan]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 -mm 3/3] mm: only defer compaction for failed order and higher
On Thu, Jan 26, 2012 at 03:01:02PM -0500, Rik van Riel wrote:
> Currently a failed order-9 (transparent hugepage) compaction can
> lead to memory compaction being temporarily disabled for a memory
> zone. Even if we only need compaction for an order 2 allocation,
> eg. for jumbo frames networking.
>
> The fix is relatively straightforward: keep track of the highest
> order at which compaction is succeeding, and only defer compaction
> for orders at which compaction is failing.
>
> Signed-off-by: Rik van Riel <riel@redhat.com>

Acked-by: Mel Gorman <mel@csn.ul.ie>

--
Mel Gorman
SUSE Labs


\
 
 \ /
  Last update: 2012-01-30 11:49    [W:0.145 / U:15.276 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site