From: Andrew Morton <akpm@linux-foundation.org> To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "nishimura@mxp.nes.nec.co.jp" <nishimura@mxp.nes.nec.co.jp>, "bsingharora@gmail.com" <bsingharora@gmail.com>, Michal Hocko <mhocko@suse.cz>, Ying Han <yinghan@google.com> Subject: Re: [PATCH] [Cleanup] memcg: export memory cgroup's swappiness v2 Date: Wed, 29 Jun 2011 13:00:43 -0700 [thread overview] Message-ID: <20110629130043.4dc47249.akpm@linux-foundation.org> (raw) In-Reply-To: <20110629190325.28aa2dc6.kamezawa.hiroyu@jp.fujitsu.com> On Wed, 29 Jun 2011 19:03:25 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote: > Each memory cgroup has 'swappiness' value and it can be accessed by > get_swappiness(memcg). The major user is try_to_free_mem_cgroup_pages() > and swappiness is passed by argument. It's propagated by scan_control. > > get_swappiness is static function but some planned updates will need to > get swappiness from files other than memcontrol.c > This patch exports get_swappiness() as mem_cgroup_swappiness(). > By this, we can remove the argument of swapiness from try_to_free... > and drop swappiness from scan_control. only memcg uses it. > > +extern unsigned int mem_cgroup_swappiness(struct mem_cgroup *mem); > +unsigned int mem_cgroup_swappiness(struct mem_cgroup *memcg) > +static int vmscan_swappiness(struct scan_control *sc) The patch seems a bit confused about the signedness of swappiness.
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org> To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "nishimura@mxp.nes.nec.co.jp" <nishimura@mxp.nes.nec.co.jp>, "bsingharora@gmail.com" <bsingharora@gmail.com>, Michal Hocko <mhocko@suse.cz>, Ying Han <yinghan@google.com> Subject: Re: [PATCH] [Cleanup] memcg: export memory cgroup's swappiness v2 Date: Wed, 29 Jun 2011 13:00:43 -0700 [thread overview] Message-ID: <20110629130043.4dc47249.akpm@linux-foundation.org> (raw) In-Reply-To: <20110629190325.28aa2dc6.kamezawa.hiroyu@jp.fujitsu.com> On Wed, 29 Jun 2011 19:03:25 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote: > Each memory cgroup has 'swappiness' value and it can be accessed by > get_swappiness(memcg). The major user is try_to_free_mem_cgroup_pages() > and swappiness is passed by argument. It's propagated by scan_control. > > get_swappiness is static function but some planned updates will need to > get swappiness from files other than memcontrol.c > This patch exports get_swappiness() as mem_cgroup_swappiness(). > By this, we can remove the argument of swapiness from try_to_free... > and drop swappiness from scan_control. only memcg uses it. > > +extern unsigned int mem_cgroup_swappiness(struct mem_cgroup *mem); > +unsigned int mem_cgroup_swappiness(struct mem_cgroup *memcg) > +static int vmscan_swappiness(struct scan_control *sc) The patch seems a bit confused about the signedness of swappiness. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2011-06-29 20:01 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-06-29 10:03 [PATCH] [Cleanup] memcg: export memory cgroup's swappiness v2 KAMEZAWA Hiroyuki 2011-06-29 10:03 ` KAMEZAWA Hiroyuki 2011-06-29 12:20 ` Michal Hocko 2011-06-29 12:20 ` Michal Hocko 2011-06-29 13:00 ` Balbir Singh 2011-06-29 13:00 ` Balbir Singh 2011-06-29 20:00 ` Andrew Morton [this message] 2011-06-29 20:00 ` Andrew Morton 2011-06-30 3:32 ` KAMEZAWA Hiroyuki 2011-06-30 3:32 ` KAMEZAWA Hiroyuki 2011-06-30 6:32 ` Michal Hocko 2011-06-30 6:32 ` Michal Hocko 2011-06-30 7:10 ` KAMEZAWA Hiroyuki 2011-06-30 7:10 ` KAMEZAWA Hiroyuki 2011-06-30 7:33 ` Michal Hocko 2011-06-30 7:33 ` Michal Hocko 2011-06-30 20:01 ` Andrew Morton 2011-06-30 20:01 ` Andrew Morton 2011-06-30 23:50 ` KAMEZAWA Hiroyuki 2011-06-30 23:50 ` KAMEZAWA Hiroyuki 2011-07-01 0:20 ` KAMEZAWA Hiroyuki 2011-07-01 0:20 ` KAMEZAWA Hiroyuki 2011-07-01 1:06 ` Andrew Morton 2011-07-01 1:06 ` Andrew Morton 2011-07-01 1:16 ` KAMEZAWA Hiroyuki 2011-07-01 1:16 ` KAMEZAWA Hiroyuki 2011-07-01 1:30 ` KAMEZAWA Hiroyuki 2011-07-01 1:30 ` KAMEZAWA Hiroyuki 2011-07-01 7:10 ` KAMEZAWA Hiroyuki 2011-07-01 7:10 ` KAMEZAWA Hiroyuki 2011-07-06 5:18 ` [PATCH] [Cleanup] memcg: export memory cgroup's swappiness v5 KAMEZAWA Hiroyuki 2011-07-06 5:18 ` KAMEZAWA Hiroyuki
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