linux-kernel - Re: [PATCH v7 2/3] mm/arm64: override clear_young_dirty

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Message-ID: <0e692fb6-023d-4d24-bdaa-99dec7569ce4@redhat.com>
Date: Tue, 16 Apr 2024 17:02:16 +0200
From: David Hildenbrand <david@...hat.com>
To: Lance Yang <ioworker0@...il.com>, akpm@...ux-foundation.org
Cc: ryan.roberts@....com, 21cnbao@...il.com, mhocko@...e.com,
 fengwei.yin@...el.com, zokeefe@...gle.com, shy828301@...il.com,
 xiehuan09@...il.com, wangkefeng.wang@...wei.com, songmuchun@...edance.com,
 peterx@...hat.com, minchan@...nel.org, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 2/3] mm/arm64: override clear_young_dirty_ptes() batch
 helper

On 16.04.24 05:34, Lance Yang wrote:
> The per-pte get_and_clear/modify/set approach would result in
> unfolding/refolding for contpte mappings on arm64. So we need
> to override clear_young_dirty_ptes() for arm64 to avoid it.
> 
> Suggested-by: David Hildenbrand <david@...hat.com>

I could have sworn my suggestion would have better applied to patch #1 :)

-- 
Cheers,

David / dhildenb