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From: Andi Kleen <andi@firstfloor.org>
To: Michel Lespinasse <walken@google.com>
Cc: Hugh Dickins <hughd@google.com>, Rik van Riel <riel@redhat.com>,
        Daniel Forrest <dan.forrest@ssec.wisc.edu>,
        Andrea Arcangeli <aarcange@redhat.com>, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org
Subject: Re: Repeated fork() causes SLAB to grow without bound
References: <20120816024610.GA5350@evergreen.ssec.wisc.edu>
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	<20120818000312.GA4262@evergreen.ssec.wisc.edu>
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	<CANN689Ej7XLh8VKuaPrTttDrtDGQbXuYJgS2uKnZL2EYVTM3Dg@mail.gmail.com>
Date: Mon, 20 Aug 2012 04:11:00 -0700
In-Reply-To: <CANN689Ej7XLh8VKuaPrTttDrtDGQbXuYJgS2uKnZL2EYVTM3Dg@mail.gmail.com>
	(Michel Lespinasse's message of "Mon, 20 Aug 2012 02:39:26 -0700")
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Michel Lespinasse <walken@google.com> writes:
>
> I would still prefer if we could just remove the anon_vma_chain stuff, though.

Would probably help with the fork locking problems too. 
We never really recovered from that regression.

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only

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From: Andi Kleen <andi@firstfloor.org>
Subject: Re: Repeated fork() causes SLAB to grow without bound
References: <20120816024610.GA5350@evergreen.ssec.wisc.edu>
	<502D42E5.7090403@redhat.com>
	<20120818000312.GA4262@evergreen.ssec.wisc.edu>
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	<CANN689Ej7XLh8VKuaPrTttDrtDGQbXuYJgS2uKnZL2EYVTM3Dg@mail.gmail.com>
Date: Mon, 20 Aug 2012 04:11:00 -0700
In-Reply-To: <CANN689Ej7XLh8VKuaPrTttDrtDGQbXuYJgS2uKnZL2EYVTM3Dg@mail.gmail.com>
	(Michel Lespinasse's message of "Mon, 20 Aug 2012 02:39:26 -0700")
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To: Michel Lespinasse <walken@google.com>
Cc: Hugh Dickins <hughd@google.com>, Rik van Riel <riel@redhat.com>, Daniel Forrest <dan.forrest@ssec.wisc.edu>, Andrea Arcangeli <aarcange@redhat.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org

Michel Lespinasse <walken@google.com> writes:
>
> I would still prefer if we could just remove the anon_vma_chain stuff, though.

Would probably help with the fork locking problems too. 
We never really recovered from that regression.

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only

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