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Fri, 9 Sep 2022 07:37:29 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id bdCnFzntGmO+MwAAMHmgww (envelope-from ); Fri, 09 Sep 2022 07:37:29 +0000 Date: Fri, 9 Sep 2022 09:37:28 +0200 From: Michal Hocko To: Andrew Morton Cc: Liu Shixin , Jonathan Corbet , Johannes Weiner , Roman Gushchin , Shakeel Butt , Muchun Song , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, Kefeng Wang Subject: Re: [PATCH] mm/memcontrol: use kstrtobool for swapaccount param parsing Message-ID: References: <20220908083452.2844125-1-liushixin2@huawei.com> <20220908150248.85fff32bf275844f0927a856@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220908150248.85fff32bf275844f0927a856@linux-foundation.org> ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=pass header.d=suse.com header.s=susede1 header.b="PAsRjY//"; 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dkim=pass header.d=suse.com header.s=susede1 header.b="PAsRjY//"; dmarc=pass (policy=quarantine) header.from=suse.com; spf=pass (imf15.hostedemail.com: domain of mhocko@suse.com designates 195.135.220.28 as permitted sender) smtp.mailfrom=mhocko@suse.com X-Stat-Signature: sx1tepdxb1krpus83zzoei5rrrk885hi X-Rspamd-Queue-Id: ED872A0077 X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1662709050-162208 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu 08-09-22 15:02:48, Andrew Morton wrote: > On Thu, 8 Sep 2022 16:34:52 +0800 Liu Shixin wrote: > > > --- a/mm/swap_cgroup.c > > +++ b/mm/swap_cgroup.c > > @@ -194,7 +194,7 @@ int swap_cgroup_swapon(int type, unsigned long max_pages) > > return 0; > > nomem: > > pr_info("couldn't allocate enough memory for swap_cgroup\n"); > > - pr_info("swap_cgroup can be disabled by swapaccount=0 boot option\n"); > > + pr_info("swap_cgroup can be disabled by swapaccount=[oO][Ff]/N/n/0 boot option\n"); > > I'm not sure this really needed changing. "=0" was OK and the message > now looks rather silly. Agreed. While swapaccount=0 is clear the extended form, even if correct, might just confuse some admins. -- Michal Hocko SUSE Labs