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Date: Tue, 18 Jun 2024 12:44:17 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Zi Yan <ziy@nvidia.com>
Cc: Zi Yan <zi.yan@sent.com>, Hugh Dickins <hughd@google.com>, "Huang, Ying"
 <ying.huang@intel.com>, linux-mm@kvack.org, "Matthew Wilcox (Oracle)"
 <willy@infradead.org>, Yang Shi <shy828301@gmail.com>, David Hildenbrand
 <david@redhat.com>, Yin Fengwei <fengwei.yin@intel.com>,
 linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm/migrate: make migrate_pages_batch() stats
 consistent.
Message-Id: <20240618124417.08745f6c08f6ecb2c959a096@linux-foundation.org>
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On Tue, 18 Jun 2024 09:41:51 -0400 Zi Yan <zi.yan@sent.com> wrote:

> From: Zi Yan <ziy@nvidia.com>
> 
> As Ying pointed out in [1], stats->nr_thp_failed needs to be updated to
> avoid stats inconsistency between MIGRATE_SYNC and MIGRATE_ASYNC when
> calling migrate_pages_batch().
> 

Thanks.  I'll add

Fixes: 7262f208ca68 ("mm/migrate: split source folio if it is on deferred split list")

and shall queue it for 6.10-rcX.

Please don't forget such details.