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Message-ID: <2375c9f91001121808y7c4cbe3es802f5ddd433b7bc3@mail.gmail.com> Date: Wed, 13 Jan 2010 10:08:59 +0800 From: Américo Wang <xiyou.wangcong@...il.com> To: Andi Kleen <andi@...stfloor.org> Cc: linux-kernel@...r.kernel.org Subject: Re: 2.6.33 pagemap endless read loop On Wed, Jan 13, 2010 at 12:28 AM, Andi Kleen <andi@...stfloor.org> wrote: >> 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. > Yeah, but this just proves it is not endless, doesn't it? :) Thanks. -- 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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