lkml.org 
[lkml]   [2016]   [May]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC 11/13] mm, compaction: add the ultimate direct compaction priority
On Mon 16-05-16 09:17:11, Vlastimil Babka wrote:
> On 05/13/2016 03:38 PM, Michal Hocko wrote:
> > On Tue 10-05-16 09:36:01, Vlastimil Babka wrote:
[...]
> > > such as hugetlbfs allocations, and reduce some corner-case OOM's for non-costly
> > > allocations.
> >
> > My testing has shown that even with the current implementation with
> > deferring, skip hints and cached positions had (close to) 100% success
> > rate even with close to OOM conditions.
>
> Hmm, I thought you at one point said that ignoring skip hints was a large
> improvement, because the current resetting of them is just too fuzzy.

Not in the hugetlb test. But you are right that skip hints resulted in
really fuzzy behavior.
--
Michal Hocko
SUSE Labs

\
 
 \ /
  Last update: 2016-05-16 10:41    [W:3.095 / U:0.460 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site