From: Michal Hocko <mhocko@suse.cz>
To: Shaohua Li <shli@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>,
"Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-api@vger.kernel.org, Hugh Dickins <hughd@google.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Rik van Riel <riel@redhat.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Mel Gorman <mgorman@suse.de>, Jason Evans <je@fb.com>,
zhangyanfei@cn.fujitsu.com,
"Kirill A. Shutemov" <kirill@shutemov.name>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: Re: [PATCH v17 1/7] mm: support madvise(MADV_FREE)
Date: Fri, 6 Feb 2015 13:58:25 +0100 [thread overview]
Message-ID: <20150206125825.GA4498@dhcp22.suse.cz> (raw)
In-Reply-To: <20150206003311.GA2347@kernel.org>
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
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next prev parent reply other threads:[~2015-02-06 12:58 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-20 10:11 [PATCH v17 0/7] MADV_FREE support Minchan Kim
2014-10-20 10:11 ` [PATCH v17 1/7] mm: support madvise(MADV_FREE) Minchan Kim
2014-11-27 14:47 ` Michal Hocko
2014-11-30 23:56 ` Minchan Kim
2014-12-02 10:01 ` Michal Hocko
2014-12-03 0:00 ` Minchan Kim
2014-12-03 10:13 ` Michal Hocko
2014-12-05 7:08 ` Minchan Kim
2014-12-05 8:32 ` Michal Hocko
2015-02-03 16:39 ` Michael Kerrisk (man-pages)
2015-02-03 23:47 ` Minchan Kim
2015-02-06 0:33 ` Shaohua Li
2015-02-06 5:51 ` Minchan Kim
2015-02-06 18:29 ` Shaohua Li
2015-02-09 7:15 ` Minchan Kim
2015-02-10 22:38 ` Shaohua Li
2015-02-11 0:56 ` Minchan Kim
2015-02-12 0:14 ` Shaohua Li
2015-02-16 4:36 ` Minchan Kim
2015-02-06 12:58 ` Michal Hocko [this message]
2015-02-06 18:32 ` Shaohua Li
2015-02-06 18:40 ` Rik van Riel
2015-02-04 12:52 ` Michal Hocko
2014-10-20 10:11 ` [PATCH v17 2/7] x86: add pmd_[dirty|mkclean] for THP Minchan Kim
2014-10-20 10:12 ` [PATCH v17 3/7] sparc: " Minchan Kim
2014-10-20 10:12 ` [PATCH v17 4/7] powerpc: " Minchan Kim
2014-10-20 10:12 ` [PATCH v17 5/7] arm: add pmd_mkclean " Minchan Kim
2014-10-20 10:12 ` [PATCH v17 6/7] arm64: add pmd_[dirty|mkclean] " Minchan Kim
2014-10-20 10:12 ` [PATCH v17 7/7] mm: Don't split THP page when syscall is called Minchan Kim
2014-11-27 15:49 ` Michal Hocko
2014-12-01 0:11 ` Minchan Kim
2014-11-13 22:58 ` [PATCH v17 0/7] MADV_FREE support Minchan Kim
2014-11-14 1:52 ` Andrew Morton
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