From: Dave Hansen <dave.hansen@intel.com>
To: Baolin Wang <baolin.wang@linux.alibaba.com>, akpm@linux-foundation.org
Cc: ying.huang@intel.com, 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: Thu, 4 Nov 2021 08:18:02 -0700 [thread overview]
Message-ID: <665cb882-6dbc-335f-1435-e52659d7ee58@intel.com> (raw)
In-Reply-To: <c02bcbc04faa7a2c852534e9cd58a91c44494657.1636016609.git.baolin.wang@linux.alibaba.com>
On 11/4/21 2:13 AM, Baolin Wang wrote:
> +What: /sys/kernel/mm/numa/demotion_mode
> +Date: November 2021
> +Contact: Linux memory management mailing list <linux-mm@kvack.org>
> +Description: Set the demotion mode when enabling demoting pages during reclaim
I don't think we need a tunable for this. The existing behavior is just
stupid for your hardware and can be replaced. Let's also try to do it
with the existing node_demotion[] data structure before we go adding more.
next prev parent reply other threads:[~2021-11-04 15:18 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-04 9:13 Baolin Wang
2021-11-04 15:18 ` Dave Hansen [this message]
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
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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