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From: Michel Lespinasse <walken@google.com>
To: Hugh Dickins <hughd@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Nick Piggin <npiggin@kernel.dk>,
	Arjan van de Ven <arjan@infradead.org>,
	linux-mm <linux-mm@kvack.org>,
	Andrea Arcangeli <aarcange@redhat.com>
Subject: Re: RFC: reviving mlock isolation dead code
Date: Thu, 18 Nov 2010 03:16:02 -0800	[thread overview]
Message-ID: <AANLkTi=qSv2JnrAD7YWv+odPfirxq9Z8+Z2_FNAQtK8D@mail.gmail.com> (raw)
In-Reply-To: <alpine.LSU.2.00.1011161444200.16422@tigran.mtv.corp.google.com>

On Tue, Nov 16, 2010 at 3:28 PM, Hugh Dickins <hughd@google.com> wrote:
> Yes, in fact, is anything required beyond Peter's original simple patch?

I initially thought there would be a problem with breaking COW on anon
pages (think of fork() + mlock() ), but then I realized these won't
show up in VM_SHARED vmas, so Peter's patch seems fine.

> Added Ccs of those most likely to agree or disagree with us.

I forgot to add Arjan and Andrea in my proposal ('Avoid dirtying pages
during mlock'). Let's move the discussion there.

-- 
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.

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      reply	other threads:[~2010-11-18 11:16 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-30 10:16 Michel Lespinasse
2010-10-30 12:48 ` Michel Lespinasse
2010-11-01  7:05 ` KOSAKI Motohiro
2010-11-09  4:34   ` KOSAKI Motohiro
2010-11-10 12:21     ` Michel Lespinasse
2010-11-14  5:07       ` KOSAKI Motohiro
2010-11-16  1:44         ` Hugh Dickins
2010-11-16  6:50           ` Michel Lespinasse
2010-11-16 23:28             ` Hugh Dickins
2010-11-18 11:16               ` Michel Lespinasse [this message]

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