From: David Rientjes <rientjes@google.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: Roman Gushchin <guro@fb.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-api@vger.kernel.org, kernel-team@fb.com,
Vlastimil Babka <vbabka@suse.cz>,
Matthew Wilcox <willy@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [PATCH] mm: don't show nr_indirectly_reclaimable in /proc/vmstat
Date: Thu, 26 Apr 2018 14:55:05 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.21.1804261453460.238822@chino.kir.corp.google.com> (raw)
In-Reply-To: <20180426200331.GZ17484@dhcp22.suse.cz>
On Thu, 26 Apr 2018, Michal Hocko wrote:
> > Don't show nr_indirectly_reclaimable in /proc/vmstat,
> > because there is no need in exporting this vm counter
> > to the userspace, and some changes are expected
> > in reclaimable object accounting, which can alter
> > this counter.
> >
> > Signed-off-by: Roman Gushchin <guro@fb.com>
> > Cc: Vlastimil Babka <vbabka@suse.cz>
> > Cc: Matthew Wilcox <willy@infradead.org>
> > Cc: Andrew Morton <akpm@linux-foundation.org>
> > Cc: Alexander Viro <viro@zeniv.linux.org.uk>
> > Cc: Michal Hocko <mhocko@suse.com>
> > Cc: Johannes Weiner <hannes@cmpxchg.org>
>
> This is quite a hack. I would much rather revert the counter and fixed
> it the way Vlastimil has proposed. But if there is a strong opposition
> to the revert then this is probably the simples thing to do. Therefore
>
Implementing this counter as a vmstat doesn't make much sense based on how
it's used. Do you have a link to what Vlastimil proposed? I haven't seen
mention of alternative ideas.
next prev parent reply other threads:[~2018-04-26 21:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-25 19:14 [PATCH] mm: don't show nr_indirectly_reclaimable in /proc/vmstat Roman Gushchin
2018-04-25 19:36 ` Vlastimil Babka
2018-04-25 19:37 ` David Rientjes
2018-04-25 21:01 ` Roman Gushchin
2018-04-25 21:20 ` David Rientjes
2018-04-26 20:03 ` Michal Hocko
2018-04-26 21:55 ` David Rientjes [this message]
2018-04-27 9:17 ` Vlastimil Babka
2018-04-27 10:55 ` Roman Gushchin
2018-04-27 11:06 ` Vlastimil Babka
2018-04-27 18:41 ` David Rientjes
2018-04-27 18:57 ` Matthew Wilcox
2018-04-30 15:30 ` Vlastimil Babka
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