From mboxrd@z Thu Jan  1 00:00:00 1970
Subject: Re: the new VMt
Date: Mon, 25 Sep 2000 17:53:45 +0100 (BST)
In-Reply-To: <Pine.LNX.4.21.0009251747190.9122-100000@elte.hu> from "Ingo Molnar" at Sep 25, 2000 06:02:18 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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To: mingo@elte.hu
Cc: Andrea Arcangeli <andrea@suse.de>, Alan Cox <alan@lxorguk.ukuu.org.uk>, Marcelo Tosatti <marcelo@conectiva.com.br>, Linus Torvalds <torvalds@transmeta.com>, Rik van Riel <riel@conectiva.com.br>, Roger Larsson <roger.larsson@norran.net>, MM mailing list <linux-mm@kvack.org>, linux-kernel@vger.kernel.org
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> Frankly, how often do we allocate multi-order pages? I've just made quick
> statistics wrt. how allocation orders are distributed on a more or less
> typical system:

Enough that failures on this crashed older 2.2 kernels because the tcp code
ended up looping trying to get memory and the slab allocator couldnt get
a new multipage block. 

Alan

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