From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wanpeng Li Subject: Re: [PATCH] mm/memcg: swappiness should between 0 and 100 Date: Fri, 6 Jul 2012 13:08:20 +0800 Message-ID: <20120706050820.GB5929@kernel> References: <1341550312-6815-1-git-send-email-liwp.linux@gmail.com> <20120706050013.GA15372@shangw> <20120706050430.GA27704@shangw> Reply-To: Wanpeng Li Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:reply-to:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=NhvpGpMo4PGTE19iW14lK+8XpJ9+w7WnV3ug4uMxV3s=; b=OjQkmcbqWCSSlXcyEW6ffTpPncz+p12R5+4WGgMB1h0FhKHOFQpvuyj8VGpJUQDYjr UeB54lPpNUMzlQWLf8csvvdXACgxOW8GKZrKxDTN3DtQJkiqVM+bDrkEskR64krW9NAi d2+Py31xCI2Y7g4ESNzMQGD0nbPL+uR1y05xBED3A/lvVdvk4K4MrQmHO8Y13WbcBoIo YzZVdVCQO9EyJx4pTHccXGQHTvzQN3F4XkmEyUA5/qFT6nfT1uYvpJk7EFMaxAowKKRR E+DvZNy3v/z0XSjfJ1WUSe76F61S6r+oTBAFat4RrlmZowFLVhFWR2dGC/Fdby4nIbJm QaEg== Content-Disposition: inline In-Reply-To: <20120706050430.GA27704@shangw> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Gavin Shan Cc: Wanpeng Li , Andrew Morton , Johannes Weiner , Michal Hocko , KAMEZAWA Hiroyuki , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org On Fri, Jul 06, 2012 at 01:04:30PM +0800, Gavin Shan wrote: >On Fri, Jul 06, 2012 at 01:00:13PM +0800, Gavin Shan wrote: >>On Fri, Jul 06, 2012 at 12:51:52PM +0800, Wanpeng Li wrote: >>>From: Wanpeng Li >>> >>>Signed-off-by: Wanpeng Li >>>--- >>> mm/memcontrol.c | 2 +- >>> 1 files changed, 1 insertions(+), 1 deletions(-) >>> >>>diff --git a/mm/memcontrol.c b/mm/memcontrol.c >>>index 5e4d1ab..69a7d45 100644 >>>--- a/mm/memcontrol.c >>>+++ b/mm/memcontrol.c >>>@@ -4176,7 +4176,7 @@ static int mem_cgroup_swappiness_write(struct cgroup *cgrp, struct cftype *cft, >> >>It seems that we don't have the function in mainline. >> >>shangw@shangw:~/sandbox/linux/mm$ grep mem_cgroup_swappiness_write -r . >>shangw@shangw:~/sandbox/linux/mm$ >> > >Please ignore that cause my git tree has some problems and everything >in linux/mm has been cleared :-) No problem. :-) Best Regards, Wanpeng Li > >Thanks, >Gavin > >>Thanks, >>Gavin >> >>> struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp); >>> struct mem_cgroup *parent; >>> >>>- if (val > 100) >>>+ if (val > 100 || val < 0) >>> return -EINVAL; >>> >>> if (cgrp->parent == NULL) >>>-- >>>1.7.5.4 >>> >>>-- >>>To unsubscribe, send a message with 'unsubscribe linux-mm' in >>>the body to majordomo-Bw31MaZKKs0EbZ0PF+XxCw@public.gmane.org For more info on Linux MM, >>>see: http://www.linux-mm.org/ . >>>Don't email: email-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org >>> >> >>-- >>To unsubscribe, send a message with 'unsubscribe linux-mm' in >>the body to majordomo-Bw31MaZKKs0EbZ0PF+XxCw@public.gmane.org For more info on Linux MM, >>see: http://www.linux-mm.org/ . >>Don't email: email-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org >>