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Date: Tue, 12 Jan 2010 17:28:24 +0100 From: Andi Kleen <andi@...stfloor.org> To: Américo Wang <xiyou.wangcong@...il.com> Cc: Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org Subject: Re: 2.6.33 pagemap endless read loop > Hmm, could you please try: > > time cat /proc/self/pagemap >/dev/null > I stopped it after a minute of CPU time... Obviously reading 47bits of zeroes take a long time. -Andi -- ak@...ux.intel.com -- Speaking for myself only. -- 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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