From: Andrew Morton <akpm@zip.com.au>
To: Patrick Mau <mau@oscar.prima.de>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@transmeta.com>
Subject: Re: 2.4.14-pre8: 'free' still reports bogus 'cached' value.
Date: Sun, 04 Nov 2001 10:59:21 -0800 [thread overview]
Message-ID: <3BE59009.79CBED53@zip.com.au> (raw)
In-Reply-To: <20011104132238.A14511@oscar.dorf.de> <3BE58886.FBCAEDB5@zip.com.au>
Andrew Morton wrote:
>
> It's a bug in the /proc code. If buffercache pages exceed
> pagecache pages, `pg_size' flips negative.
>
> There doesn't seem to be any reason to subtract buffermem_pages
> from page_cache_size - they're independent.
>
Well that was crap, wasn't it? Wrong kernel.
I wonder if it's due to the fact that grow_dev_page()
calls find_or_create_page(), but we increment the
buffermem_pages count unconditionally, whether or
not the page was newly created?
next prev parent reply other threads:[~2001-11-04 19:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-04 12:22 Patrick Mau
2001-11-04 18:27 ` Andrew Morton
2001-11-04 18:59 ` Andrew Morton [this message]
2001-11-04 20:30 ` Patrick Mau
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