linux-kernel - Re: [PATCH] mm: fix is_pinnable

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Message-ID: <YqStDm5sdDL6YXn8@casper.infradead.org>
Date:   Sat, 11 Jun 2022 15:56:14 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Zhangfei Gao <zhangfei.gao@...aro.org>
Cc:     Minchan Kim <minchan@...nel.org>,
        John Hubbard <jhubbard@...dia.com>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        shameerali.kolothum.thodi@...wei.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: fix is_pinnable_page return value

On Sat, Jun 11, 2022 at 09:34:42PM +0800, Zhangfei Gao wrote:
> Commit 1c563432588d ("mm: fix is_pinnable_page against a cma page")
> Changes from
> return !(is_zone_movable_page(page) || is_migrate_cma_page(page)) ||
>         is_zero_pfn(page_to_pfn(page));
> to
> return !(is_zone_movable_page(page) || is_zero_pfn(page_to_pfn(page)));

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https://lore.kernel.org/linux-mm/165490039431.944052.12458624139225785964.stgit@omen/