linux-kernel - Re: [PATCH] mm/memory-failure: do pgoff calculation before for_each

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20200818084623.GA30688@hori.linux.bs1.fc.nec.co.jp>
Date:   Tue, 18 Aug 2020 08:46:23 +0000
From:   HORIGUCHI NAOYA(堀口　直也) 
        <naoya.horiguchi@....com>
To:     Xianting Tian <tian.xianting@....com>
CC:     "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm/memory-failure: do pgoff calculation before
 for_each_process()

On Tue, Aug 18, 2020 at 04:26:47PM +0800, Xianting Tian wrote:
> There is no need to calcaulate pgoff in each loop of for_each_process(),
> so move it to the place before for_each_process(), which can save some
> CPU cycles.
> 
> Signed-off-by: Xianting Tian <tian.xianting@....com>

Looks good to me. Thank you.

Acked-by: Naoya Horiguchi <naoya.horiguchi@....com>