lkml.org 
[lkml]   [2021]   [Jul]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH -V10 0/9] Migrate Pages in lieu of discard
On Fri, 16 Jul 2021 11:32:09 +0800 "Huang, Ying" <ying.huang@intel.com> wrote:

> Andrew Morton <akpm@linux-foundation.org> writes:
>
> > On Thu, 15 Jul 2021 13:51:36 +0800 Huang Ying <ying.huang@intel.com> wrote:
> >
> > The [0/n] description talks a lot about PMEM, but the patches
> > themselves are all about NUMA nodes. I assume that what ties this
> > together is that the PMEM tends to be organized as a NUMA node on its
> > own, and that by enabling migrate-to-remote-node-during-reclaim, we get
> > this PMEM behaviour as a desired side-effect?
> >
> > IOW, perhaps this [0/n] description could explain the linkage between
> > PMEM and NUMA nodes more explicitly.
>
> Hi, Andrew,
>
> I have added some words in the [0/9] description to link PMEM and NUMA
> nodes. The updated description is as below. Can you take a look at it?
>
> ...
>
> With that, the DRAM and PMEM in each socket will be represented as 2
> separate NUMA nodes, with the CPUs sit in the DRAM node. So the
> general inter-NUMA demotion mechanism introduced in the patchset can
> migrate the cold DRAM pages to the PMEM node.
>

Bingo, thanks.

\
 
 \ /
  Last update: 2021-07-16 05:54    [W:0.061 / U:0.848 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site