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Date: Wed, 25 Nov 2015 11:53:18 +0900 From: Minchan Kim <minchan@...nel.org> To: Andrew Morton <akpm@...ux-foundation.org> Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org, Michael Kerrisk <mtk.manpages@...il.com>, linux-api@...r.kernel.org, Hugh Dickins <hughd@...gle.com>, Johannes Weiner <hannes@...xchg.org>, Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de>, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, Jason Evans <je@...com>, Daniel Micay <danielmicay@...il.com>, "Kirill A. Shutemov" <kirill@...temov.name>, Shaohua Li <shli@...nel.org>, Michal Hocko <mhocko@...e.cz>, yalin.wang2010@...il.com, Andy Lutomirski <luto@...capital.net> Subject: Re: [PATCH v4 00/16] MADV_FREE support Hi Andrew, On Tue, Nov 24, 2015 at 01:58:51PM -0800, Andrew Morton wrote: > On Fri, 20 Nov 2015 17:02:32 +0900 Minchan Kim <minchan@...nel.org> wrote: > > > I have been spent a lot of time to land MADV_FREE feature > > by request of userland people(esp, Daniel and Jason, jemalloc guys. > > A couple of things... > > There's a massive and complex reject storm against Kirill's page-flags > and thp changes. The problems in hugetlb.c are more than I can > reasonably fix up, sorry. How would you feel about redoing the patches > against next -mm? No problem at all. > > Secondly, "mm: introduce lazyfree LRU list" and "mm: support MADV_FREE > on swapless system" are new, and require significant reviewer > attention. But there's so much other stuff flying around that I doubt > if we'll get effective review. So perhaps it would be best to shelve > those new things and introduce them later, after the basic old > MADV_FREE work has settled in? > That's really what we(Daniel, Michael and me) want so far. A people who is reluctant to it is Johannes who wanted to support MADV_FREE on swapless system via new LRU from the beginning. If Johannes is not strong against Andrew's plan, I will resend new patchset(ie, not including new stuff) based on next -mmotm. Hannes? -- 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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