linux-kernel - Re: [PATCH V3 3/4] mm/damon/core: Using function abs() instead of diff

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Message-ID: <CAMZfGtUSObcR8OK7QCf=xiQD=tbpmg-mn4uQVNmjXxOLP053ZQ@mail.gmail.com>
Date:   Sat, 13 Nov 2021 10:46:38 +0800
From:   Muchun Song <songmuchun@...edance.com>
To:     Xin Hao <xhao@...ux.alibaba.com>
Cc:     sjpark@...zon.de, Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V3 3/4] mm/damon/core: Using function abs() instead of diff_of()

On Sat, Nov 13, 2021 at 12:02 AM Xin Hao <xhao@...ux.alibaba.com> wrote:
>
> In kernel, we can use abs(a - b) to get the absolute value,
> So there is no need to redefine a new one.
>
> Signed-off-by: Xin Hao <xhao@...ux.alibaba.com>
> Reviewed-by: SeongJae Park <sj@...nel.org>

Reviewed-by: Muchun Song <songmuchun@...edance.com>

Thanks.