From: Andrea Arcangeli <aarcange@redhat.com>
To: Shaohua Li <shaohua.li@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Minchan Kim <minchan.kim@gmail.com>,
linux-mm <linux-mm@kvack.org>
Subject: Re: [patch v2 4/4]thp: improve order in lru list for split huge page
Date: Tue, 15 Nov 2011 19:19:01 +0100 [thread overview]
Message-ID: <20111115181901.GK4414@redhat.com> (raw)
In-Reply-To: <1321340661.22361.297.camel@sli10-conroe>
On Tue, Nov 15, 2011 at 03:04:21PM +0800, Shaohua Li wrote:
> Put the tail subpages of an isolated hugepage under splitting in the
> lru reclaim head as they supposedly should be isolated too next.
>
> Queues the subpages in physical order in the lru for non isolated
> hugepages under splitting. That might provide some theoretical cache
> benefit to the buddy allocator later.
>
> Signed-off-by: Shaohua Li <shaohua.li@intel.com>
> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Perfect all 4 patches. You've been reading my mind because I was
thinking it'd be good to merge these 4 which are strightforward
before going into 5/5.
I didn't run them yet, but I queued them too merging your new submit
and they certainly look good.
Thanks a lot,
Andrea
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next prev parent reply other threads:[~2011-11-15 18:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-15 7:04 [patch v2 4/4]thp: improve order in lru list for split huge page Shaohua Li
2011-11-15 18:19 ` Andrea Arcangeli [this message]
2011-11-16 1:19 ` Shaohua Li
2011-11-22 23:40 ` Andrew Morton
2011-11-23 3:24 ` Shaohua Li
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