From: Dave Hansen <dave.hansen@intel.com>
To: Baolin Wang <baolin.wang@linux.alibaba.com>,
"Huang, Ying" <ying.huang@intel.com>
Cc: akpm@linux-foundation.org, dave.hansen@linux.intel.com,
ziy@nvidia.com, osalvador@suse.de, shy828301@gmail.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH] mm: migrate: Add new node demotion strategy
Date: Sun, 7 Nov 2021 07:20:38 -0800 [thread overview]
Message-ID: <b7062fa5-febf-24f6-b160-41359b92ff71@intel.com> (raw)
In-Reply-To: <240c5997-ab7e-8045-dacc-1afdb7c49a0d@linux.alibaba.com>
On 11/7/21 1:33 AM, Baolin Wang wrote:
> Thanks for your suggestion. After some thinking, can we change the
> node_demotion[] structure like below? Which means one source node can be
> demoted to mutiple target node, and we can set up the target node mask
> according to the node distance. How do you think? Thanks.
>
> static nodemask_t node_demotion[MAX_NUMNODES] __read_mostly =
> {[0 ... MAX_NUMNODES - 1] = NODE_MASK_NONE};
How large is that in the worst case?
next prev parent reply other threads:[~2021-11-07 15:20 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-04 9:13 [RFC PATCH] mm: migrate: Add new node demotion strategy Baolin Wang
2021-11-04 15:18 ` Dave Hansen
2021-11-05 2:51 ` Huang, Ying
2021-11-05 15:47 ` Dave Hansen
2021-11-07 9:33 ` Baolin Wang
2021-11-07 15:20 ` Dave Hansen [this message]
2021-11-08 6:38 ` Baolin Wang
2021-11-08 6:48 ` Huang, Ying
2021-11-08 7:07 ` Baolin Wang
2021-11-08 8:12 ` Huang, Ying
2021-11-08 8:43 ` Baolin Wang
2021-11-08 2:12 ` Huang, Ying
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