lkml.org 
[lkml]   [2017]   [Mar]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 2/9] mm: fix check for reclaimable pages in PF_MEMALLOC reclaim throttling
Date

On March 01, 2017 5:40 AM Johannes Weiner wrote:
>
> PF_MEMALLOC direct reclaimers get throttled on a node when the sum of
> all free pages in each zone fall below half the min watermark. During
> the summation, we want to exclude zones that don't have reclaimables.
> Checking the same pgdat over and over again doesn't make sense.
>
> Fixes: 599d0c954f91 ("mm, vmscan: move LRU lists to node")
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> ---
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>


\
 
 \ /
  Last update: 2017-03-02 04:27    [W:0.609 / U:0.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site