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Message-ID: <20150206125825.GA4498@dhcp22.suse.cz> Date: Fri, 6 Feb 2015 13:58:25 +0100 From: Michal Hocko <mhocko@...e.cz> To: Shaohua Li <shli@...nel.org> Cc: Minchan Kim <minchan@...nel.org>, "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>, Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org, linux-mm@...ck.org, linux-api@...r.kernel.org, Hugh Dickins <hughd@...gle.com>, Johannes Weiner <hannes@...xchg.org>, Rik van Riel <riel@...hat.com>, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, Mel Gorman <mgorman@...e.de>, Jason Evans <je@...com>, zhangyanfei@...fujitsu.com, "Kirill A. Shutemov" <kirill@...temov.name>, "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com> Subject: Re: [PATCH v17 1/7] mm: support madvise(MADV_FREE) On Thu 05-02-15 16:33:11, Shaohua Li wrote: [...] > Did you think about move the MADV_FREE pages to the head of inactive LRU, so > they can be reclaimed easily? Yes this makes sense for pages living on the active LRU list. I would preserve LRU ordering on the inactive list because there is no good reason to make the operation more costly for inactive pages. On the other hand having tons of to-be-freed pages on the active list clearly sucks. Care to send a patch? -- 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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