lkml.org 
[lkml]   [2020]   [Mar]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v2 1/2] mm/page_alloc: use ac->high_zoneidx for classzone_idx
2020년 3월 19일 (목) 오후 9:21, Vlastimil Babka <vbabka@suse.cz>님이 작성:
>
> On 3/19/20 9:57 AM, Joonsoo Kim wrote:
> >> Curious: is this only an issue when vm.numa_zonelist_order is set to Node?
> >
> > Do you mean "/proc/sys/vm/numa_zonelist_order"? It looks like it's gone now.
> >
> > Thanks.
>
> Yes it's gone now, but indeed, AFAIU on older kernels with zone order instead of
> node order, this problem wouldn't manifest.

Yes. In this case, preferred_zone of an allocation is the populated highest zone
among all nodes so classzone_idx will the same.

Thanks.

\
 
 \ /
  Last update: 2020-03-20 08:34    [W:0.061 / U:0.172 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site