linux-kernel - Re: Avoid allocating during interleave from almost full nodes

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Message-ID: <Pine.LNX.4.64.0611060854000.25351@schroedinger.engr.sgi.com>
Date:	Mon, 6 Nov 2006 08:56:15 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Paul Jackson <pj@....com>
cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org
Subject: Re: Avoid allocating during interleave from almost full nodes

On Sat, 4 Nov 2006, Paul Jackson wrote:

>   Do you know of any existing counters that we could use like this?
> 
> Adding a system wide count of pages allocated or scanned, just for
> these fullnode hint caches, bothers me.

There are already such counters. PGALLOC_* and PGSCAN_*. See 
include/linux/vmstat.h

> Perhaps best if we used a node or cpu local counter.

The counters are per cpu and are cpu local.
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