From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Mon, 15 May 2000 18:15:55 +0200 (CEST)
From: Ingo Molnar <mingo@elte.hu>
Reply-To: mingo@elte.hu
Subject: Re: [patch] VM stable again?
In-Reply-To: <Pine.LNX.4.21.0005151227010.20410-100000@duckman.distro.conectiva>
Message-ID: <Pine.LNX.4.10.10005151740001.6466-100000@elte.hu>
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Sender: owner-linux-mm@kvack.org
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To: Rik van Riel <riel@conectiva.com.br>
Cc: Linus Torvalds <torvalds@transmeta.com>, linux-mm@kvack.org
List-ID: <linux-mm.kvack.org>

On Mon, 15 May 2000, Rik van Riel wrote:

> It should be per-pgdat. Per-zone probably won't work since having this
> counter per-zone may interfere with both fallback and balancing
> between the zones.

per-pgdat essentially means 'global counter' on a typical SMP system.
Anyway, it's not in the hot path so it doesnt matter that much. (the the
atomic_read() generates a shared cacheline in the typical case)

	Ingo







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