lkml.org 
[lkml]   [2020]   [Aug]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v5 3/3] mm/page_alloc: Keep memoryless cpuless node 0 offline
* Michal Hocko <mhocko@suse.com> [2020-08-18 09:37:12]:

> On Tue 18-08-20 09:32:52, David Hildenbrand wrote:
> > On 12.08.20 08:01, Srikar Dronamraju wrote:
> > > Hi Andrew, Michal, David
> > >
> > > * Andrew Morton <akpm@linux-foundation.org> [2020-08-06 21:32:11]:
> > >
> > >> On Fri, 3 Jul 2020 18:28:23 +0530 Srikar Dronamraju <srikar@linux.vnet.ibm.com> wrote:
> > >>
> > >>>> The memory hotplug changes that somehow because you can hotremove numa
> > >>>> nodes and therefore make the nodemask sparse but that is not a common
> > >>>> case. I am not sure what would happen if a completely new node was added
> > >>>> and its corresponding node was already used by the renumbered one
> > >>>> though. It would likely conflate the two I am afraid. But I am not sure
> > >>>> this is really possible with x86 and a lack of a bug report would
> > >>>> suggest that nobody is doing that at least.
> > >>>>
> > >> So... do we merge this patch or not? Seems that the overall view is
> > >> "risky but nobody is likely to do anything better any time soon"?
> > >
> > > Can we decide on this one way or the other?
> >
> > Hmm, not sure who's the person to decide. I tend to prefer doing the
> > node renaming, handling this in ppc code;
>
> Agreed. That would be a safer option.

Okay, will send arch specific v6 version.

> --
> Michal Hocko
> SUSE Labs

--
Thanks and Regards
Srikar Dronamraju

\
 
 \ /
  Last update: 2020-08-18 09:51    [W:0.318 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site