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Date: Thu, 13 Nov 2008 09:39:09 +0800 From: Li Zefan <lizf@...fujitsu.com> To: Balbir Singh <balbir@...ux.vnet.ibm.com> CC: linux-mm@...ck.org, YAMAMOTO Takashi <yamamoto@...inux.co.jp>, Paul Menage <menage@...gle.com>, linux-kernel@...r.kernel.org, Nick Piggin <nickpiggin@...oo.com.au>, David Rientjes <rientjes@...gle.com>, Pavel Emelianov <xemul@...nvz.org>, Dhaval Giani <dhaval@...ux.vnet.ibm.com>, Andrew Morton <akpm@...ux-foundation.org>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> Subject: Re: [RFC][mm] [PATCH 4/4] Memory cgroup hierarchy feature selector (v3) > @@ -137,6 +137,11 @@ struct mem_cgroup { > * reclaimed from. Protected by cgroup_lock() > */ > struct mem_cgroup *last_scanned_child; > + /* > + * Should the accounting and control be hierarchical, per subtree? > + */ > + unsigned long use_hierarchy; > + A minor comment, 'unsigned int' is sufficient, then we save 4 bytes per mem_cgroup on 64 bits machines. > }; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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