linux-kernel - Re: [v2 PATCH 5/7] mm: migrate: don't split THP for misplaced NUMA page

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Message-ID: <20210517152926.GY3672@suse.de>
Date:   Mon, 17 May 2021 16:29:26 +0100
From:   Mel Gorman <mgorman@...e.de>
To:     Yang Shi <shy828301@...il.com>
Cc:     kirill.shutemov@...ux.intel.com, ziy@...dia.com, mhocko@...e.com,
        ying.huang@...el.com, hughd@...gle.com,
        gerald.schaefer@...ux.ibm.com, hca@...ux.ibm.com,
        gor@...ux.ibm.com, borntraeger@...ibm.com,
        akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [v2 PATCH 5/7] mm: migrate: don't split THP for misplaced NUMA
 page

On Tue, Apr 13, 2021 at 02:24:14PM -0700, Yang Shi wrote:
> The old behavior didn't split THP if migration is failed due to lack of
> memory on the target node.  But the THP migration does split THP, so keep
> the old behavior for misplaced NUMA page migration.
> 
> Signed-off-by: Yang Shi <shy828301@...il.com>

Acked-by: Mel Gorman <mgorman@...e.de>

-- 
Mel Gorman
SUSE Labs