From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roman Gushchin Subject: Re: [PATCH 3/5] mm, memcg: save some atomic ops when flush is already true Date: Thu, 29 Jul 2021 20:07:27 -0700 Message-ID: References: <20210729125755.16871-1-linmiaohe@huawei.com> <20210729125755.16871-4-linmiaohe@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=date : from : to : cc : subject : message-id : references : content-type : in-reply-to : mime-version; s=facebook; bh=54NPDS6lB4VPZ4bo5JGJQTtu3qHWneipWZYY8A8LkxI=; b=Tm0lOPz7orr9fWBuz7xeb5TE1pTWHrB2M/RTmikDu60rx0g6Ezjw2sR4mpmtvuSVWrJk 3IfsKMMUQ+5KZNaF7FOZuOcI5QQ19ThYbf77x13Vjts2qacZWpmuIeUJdqJ/BALok13w yOdfLhNrExpu6Txalb1mOXLi39iu8SLqkpI= Content-Disposition: inline In-Reply-To: <20210729125755.16871-4-linmiaohe-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> List-ID: Content-Transfer-Encoding: 7bit To: Miaohe Lin Cc: hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org, mhocko-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, vdavydov.dev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, willy-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org, alexs-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, richard.weiyang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, songmuchun-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org On Thu, Jul 29, 2021 at 08:57:53PM +0800, Miaohe Lin wrote: > Add 'else' to save some atomic ops in obj_stock_flush_required() when > flush is already true. No functional change intended here. > > Signed-off-by: Miaohe Lin Acked-by: Roman Gushchin