From: Michal Hocko <mhocko@suse.cz>
To: Eric B Munson <emunson@akamai.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Vlastimil Babka <vbabka@suse.cz>,
Thomas Gleixner <tglx@linutronix.de>,
Christoph Lameter <cl@linux.com>,
Peter Zijlstra <peterz@infradead.org>,
Mel Gorman <mgorman@suse.de>,
David Rientjes <rientjes@google.com>,
Rik van Riel <riel@redhat.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V5] Allow compaction of unevictable pages
Date: Fri, 13 Mar 2015 21:02:08 +0100 [thread overview]
Message-ID: <20150313200208.GA28848@dhcp22.suse.cz> (raw)
In-Reply-To: <1426267597-25811-1-git-send-email-emunson@akamai.com>
On Fri 13-03-15 13:26:37, Eric B Munson wrote:
[...]
> +compact_unevictable
> +
> +Available only when CONFIG_COMPACTION is set. When set to 1, compaction is
> +allowed to examine the unevictable lru (mlocked pages) for pages to compact.
> +This should be used on systems where stalls for minor page faults are an
> +acceptable trade for large contiguous free memory. Set to 0 to prevent
> +compaction from moving pages that are unevictable.
It is not clear which behavior is default from this text.
--
Michal Hocko
SUSE Labs
prev parent reply other threads:[~2015-03-13 20:02 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-13 17:26 [PATCH V5] Allow compaction of unevictable pages Eric B Munson
2015-03-13 18:56 ` Rik van Riel
2015-03-13 19:09 ` Eric B Munson
2015-03-13 20:19 ` Michal Hocko
2015-03-16 10:14 ` Vlastimil Babka
2015-03-16 13:49 ` Eric B Munson
2015-03-18 14:40 ` Vlastimil Babka
2015-03-18 15:40 ` Steven Rostedt
2015-03-13 23:18 ` David Rientjes
2015-03-13 23:43 ` Rik van Riel
2015-03-16 15:39 ` Christoph Lameter
2015-03-13 20:02 ` Michal Hocko [this message]
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