From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: linux-tip-commits@vger.kernel.org, linux-kernel@vger.kernel.org,
hpa@zytor.com, mingo@kernel.org, torvalds@linux-foundation.org,
akpm@linux-foundation.org, mgorman@suse.de, tglx@linutronix.de
Subject: Re: [tip:numa/core] sched/numa/mm: Improve migration
Date: Fri, 19 Oct 2012 16:43:28 +0200 [thread overview]
Message-ID: <1350657808.2768.29.camel@twins> (raw)
In-Reply-To: <20121019135122.GI31863@cmpxchg.org>
On Fri, 2012-10-19 at 09:51 -0400, Johannes Weiner wrote:
> It's slightly ugly that migrate_page_copy() actually modifies the
> existing page (deactivation, munlock) when you end up having to revert
> back to it.
The worst is actually calling copy_huge_page() on a THP.. it seems to
work though ;-)
next prev parent reply other threads:[~2012-10-19 14:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-18 17:05 tip-bot for Peter Zijlstra
2012-10-19 13:51 ` Johannes Weiner
2012-10-19 14:36 ` Peter Zijlstra
2012-10-19 14:38 ` Peter Zijlstra
2012-10-19 14:43 ` Peter Zijlstra [this message]
2012-10-21 18:17 ` Ingo Molnar
2012-10-22 7:58 ` Mel Gorman
2012-10-22 10:36 ` Ingo Molnar
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