From: "HORIGUCHI NAOYA(堀口 直也)" <naoya.horiguchi@nec.com>
To: Xianting Tian <tian.xianting@h3c.com>
Cc: "akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm/memory-failure: do pgoff calculation before for_each_process()
Date: Tue, 18 Aug 2020 08:46:23 +0000 [thread overview]
Message-ID: <20200818084623.GA30688@hori.linux.bs1.fc.nec.co.jp> (raw)
In-Reply-To: <20200818082647.34322-1-tian.xianting@h3c.com>
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@h3c.com>
Looks good to me. Thank you.
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
prev parent reply other threads:[~2020-08-18 8:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-18 8:26 Xianting Tian
2020-08-18 8:46 ` HORIGUCHI NAOYA(堀口 直也) [this message]
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