linux-kernel - Re: [PATCH v1 05/10] mm: Implement folio_remove_rmap

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Message-ID: <CAOUHufZB=E5jW2O_ASuGUP=X-PfVUSFxOCvC=YU1_WwJiQCibA@mail.gmail.com>
Date:   Mon, 26 Jun 2023 21:06:21 -0600
From:   Yu Zhao <yuzhao@...gle.com>
To:     Ryan Roberts <ryan.roberts@....com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Yin Fengwei <fengwei.yin@...el.com>,
        David Hildenbrand <david@...hat.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-alpha@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-ia64@...r.kernel.org,
        linux-m68k@...ts.linux-m68k.org, linux-s390@...r.kernel.org
Subject: Re: [PATCH v1 05/10] mm: Implement folio_remove_rmap_range()

On Mon, Jun 26, 2023 at 11:14 AM Ryan Roberts <ryan.roberts@....com> wrote:
>
> Like page_remove_rmap() but batch-removes the rmap for a range of pages
> belonging to a folio, for effciency savings. All pages are accounted as
> small pages.
>
> Signed-off-by: Ryan Roberts <ryan.roberts@....com>
> ---
>  include/linux/rmap.h |  2 ++
>  mm/rmap.c            | 62 ++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 64 insertions(+)

Sorry for nagging: this can be included in a followup series.