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Date: Thu, 17 Feb 2011 11:58:59 +0530 From: Balbir Singh <balbir@...ux.vnet.ibm.com> To: Greg Thelen <gthelen@...gle.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, Johannes Weiner <hannes@...xchg.org>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>, Daisuke Nishimura <nishimura@....nes.nec.co.jp>, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 2/2] memcg: use native word page statistics counters * Greg Thelen <gthelen@...gle.com> [2011-02-16 21:34:02]: > From: Johannes Weiner <hannes@...xchg.org> > > The statistic counters are in units of pages, there is no reason to > make them 64-bit wide on 32-bit machines. > > Make them native words. Since they are signed, this leaves 31 bit on > 32-bit machines, which can represent roughly 8TB assuming a page size > of 4k. > > Signed-off-by: Johannes Weiner <hannes@...xchg.org> > Signed-off-by: Greg Thelen <gthelen@...gle.com> Acked-by: Balbir Singh <balbir@...ux.vnet.ibm.com> -- Three Cheers, Balbir -- 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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