[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <alpine.DEB.2.10.1508201249010.27169@chino.kir.corp.google.com>
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/
Powered by blists - more mailing lists