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Message-ID: <alpine.DEB.2.10.1412221422120.11431@chino.kir.corp.google.com> Date: Mon, 22 Dec 2014 14:27:39 -0800 (PST) From: David Rientjes <rientjes@...gle.com> To: Dave Hansen <dave.hansen@...ux.intel.com> cc: Rafael Aquini <aquini@...hat.com>, linux-kernel@...r.kernel.org, akpm@...ux-foundation.org, oleg@...hat.com, linux-mm@...ck.org Subject: Re: [PATCH] proc: task_mmu: show page size in /proc/<pid>/numa_maps On Sat, 20 Dec 2014, Dave Hansen wrote: > I sometimes wonder what 'numa_maps' purpose is any if we should have > _some_ kind of policy about what goes in there vs. smaps. numa_maps > seems to be turning in to smaps, minus the \n. :) > It seems like an interface, similar to the one proposed by Ulrich, that described the NUMA topology would have obsoleted numa_maps and you could only rely on smaps to determine locality. There's existing userspace dependencies on numa_maps already, though, so owell. I had to fix numa_maps output when autonuma was merged for a much more subtle difference at http://marc.info/?l=git-commits-head&m=139113691614467 so I know some people actually parse this and care quite a bit about its accuracy, it's a shame it can't be deprecated in favor of adding the necessary information to smaps. -- 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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