linux-kernel - Re: [PATCH v2 4/9] x86/clear_page: extend clear

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Message-ID: <ZPsdmYIIqxqpowv+@casper.infradead.org>
Date:   Fri, 8 Sep 2023 14:11:53 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Ankur Arora <ankur.a.arora@...cle.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org, x86@...nel.org,
        akpm@...ux-foundation.org, luto@...nel.org, bp@...en8.de,
        dave.hansen@...ux.intel.com, hpa@...or.com, mingo@...hat.com,
        juri.lelli@...hat.com, vincent.guittot@...aro.org, mgorman@...e.de,
        peterz@...radead.org, rostedt@...dmis.org, tglx@...utronix.de,
        jon.grimm@....com, bharata@....com, raghavendra.kt@....com,
        boris.ostrovsky@...cle.com, konrad.wilk@...cle.com
Subject: Re: [PATCH v2 4/9] x86/clear_page: extend clear_page*() for
 multi-page clearing

On Wed, Aug 30, 2023 at 11:49:53AM -0700, Ankur Arora wrote:
> -void clear_page_orig(void *page);
> -void clear_page_rep(void *page);
> -void clear_page_erms(void *page);
> +void clear_pages_orig(void *page, unsigned int length);
> +void clear_pages_rep(void *page, unsigned int length);
> +void clear_pages_erms(void *page, unsigned int length);

Maybe make this size_t so we know it's a byte count rather than being
some other unit of length?