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Date: Fri, 13 Mar 2015 21:02:08 +0100 From: Michal Hocko <mhocko@...e.cz> To: Eric B Munson <emunson@...mai.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, Vlastimil Babka <vbabka@...e.cz>, Thomas Gleixner <tglx@...utronix.de>, Christoph Lameter <cl@...ux.com>, Peter Zijlstra <peterz@...radead.org>, Mel Gorman <mgorman@...e.de>, David Rientjes <rientjes@...gle.com>, Rik van Riel <riel@...hat.com>, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH V5] Allow compaction of unevictable pages 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 -- 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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