linux-kernel - Re: [PATCH v4 1/3] mm: add get_and_clear_ptes() and clear

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Message-ID: <CAGsJ_4y3zXD1i+g2bt0s1v0h-Vap-pXzOO=bQNf3=68-dY8h3Q@mail.gmail.com>
Date: Thu, 24 Jul 2025 17:31:43 +0800
From: Barry Song <21cnbao@...il.com>
To: Dev Jain <dev.jain@....com>
Cc: akpm@...ux-foundation.org, david@...hat.com, ziy@...dia.com, 
	baolin.wang@...ux.alibaba.com, lorenzo.stoakes@...cle.com, 
	Liam.Howlett@...cle.com, npache@...hat.com, ryan.roberts@....com, 
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/3] mm: add get_and_clear_ptes() and clear_ptes()

On Thu, Jul 24, 2025 at 1:23 PM Dev Jain <dev.jain@....com> wrote:
>
> From: David Hildenbrand <david@...hat.com>
>
> Let's add variants to be used where "full" does not apply -- which will
> be the majority of cases in the future. "full" really only applies if
> we are about to tear down a full MM.
>
> Use get_and_clear_ptes() in existing code, clear_ptes() users will
> be added next.
>
> Reviewed-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
> Signed-off-by: David Hildenbrand <david@...hat.com>
> Signed-off-by: Dev Jain <dev.jain@....com>

Reviewed-by: Barry Song <baohua@...nel.org>

Thanks
Barry