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Date: Thu, 20 Aug 2015 12:49:59 -0700 (PDT) From: David Rientjes <rientjes@...gle.com> To: Michal Hocko <mhocko@...nel.org> cc: Naoya Horiguchi <n-horiguchi@...jp.nec.com>, Andrew Morton <akpm@...ux-foundation.org>, Jörn Engel <joern@...estorage.com>, Mike Kravetz <mike.kravetz@...cle.com>, "linux-mm@...ck.org" <linux-mm@...ck.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Naoya Horiguchi <nao.horiguchi@...il.com> Subject: Re: [PATCH v5 2/2] mm: hugetlb: proc: add HugetlbPages field to /proc/PID/status On Thu, 20 Aug 2015, Michal Hocko wrote: > On Thu 20-08-15 08:26:27, Naoya Horiguchi wrote: > > Currently there's no easy way to get per-process usage of hugetlb pages, > > Is this really the case after your previous patch? You have both > HugetlbPages and KernelPageSize which should be sufficient no? > > Reading a single file is, of course, easier but is it really worth the > additional code? I haven't really looked at the patch so I might be > missing something but what would be an advantage over reading > /proc/<pid>/smaps and extracting the information from there? > /proc/pid/smaps requires root, /proc/pid/status doesn't. -- 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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