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Date: Tue, 11 Mar 2003 16:25:52 -0800
From: Andrew Morton <akpm@digeo.com>
To: Nigel Cunningham <ncunningham@clear.net.nz>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: Free pages leaking in 2.5.64?
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Nigel Cunningham <ncunningham@clear.net.nz> wrote:
>
> Hi all.
> 
> I've come across the following problem in 2.5.64. Here's example output.
> The header is one page - all messages only have a single call to
> get_zeroed_page between the printings and the same code works as

nr_free_pages() does not account for the pages in the per-cpu head arrays. 

You can make the numbers look right via drain_local_pages(), but that is only
100% reliable on uniprocessor with interrupts disabled.

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