linux-kernel - Re: [PATCH v8 2/7] mm: introduce clear_pages() and clear_user

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Message-ID: <d5806728-1f40-4e6d-b832-0076de3ae699@kernel.org>
Date: Fri, 7 Nov 2025 09:47:52 +0100
From: "David Hildenbrand (Red Hat)" <david@...nel.org>
To: Ankur Arora <ankur.a.arora@...cle.com>, linux-kernel@...r.kernel.org,
 linux-mm@...ck.org, x86@...nel.org
Cc: akpm@...ux-foundation.org, bp@...en8.de, dave.hansen@...ux.intel.com,
 hpa@...or.com, mingo@...hat.com, mjguzik@...il.com, luto@...nel.org,
 peterz@...radead.org, acme@...nel.org, namhyung@...nel.org,
 tglx@...utronix.de, willy@...radead.org, raghavendra.kt@....com,
 boris.ostrovsky@...cle.com, konrad.wilk@...cle.com
Subject: Re: [PATCH v8 2/7] mm: introduce clear_pages() and clear_user_pages()

On 27.10.25 21:21, Ankur Arora wrote:
> Introduce clear_pages(), to be overridden by architectures that
> support more efficient clearing of consecutive pages.
> 
> Also introduce clear_user_pages(), however, we will not expect
> this function to be overridden anytime soon.
> 
> We have to place the clear_user_pages() variant that uses
> clear_user_page() into mm/util.c for now to work around
> macro magic on sparc and m68k.
> 
> Signed-off-by: Ankur Arora <ankur.a.arora@...cle.com>
> ---

Acked-by: David Hildenbrand (Red Hat) <david@...nel.org>

-- 
Cheers

David