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Date: Mon, 19 Nov 2001 15:03:01 -0800 (PST)
From: Linus Torvalds <torvalds@transmeta.com>
To: Rik van Riel <riel@marcelothewonderpenguin.com>
cc: Marcelo Tosatti <marcelo@conectiva.com.br>,
        Simon Kirby <sim@netnation.com>, Andrea Arcangeli <andrea@suse.de>,
        lkml <linux-kernel@vger.kernel.org>
Subject: Re: VM-related Oops: 2.4.15pre1
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On Mon, 19 Nov 2001, Rik van Riel wrote:
>
> Oh dear, that's an interesting case, too.
>
> __add_to_page_cache() blindly sets the PG_locked bit, but
> it's possible for other functions to acquire the page lock
> before that.

No. The page is either already locked (add_to_swap_cache()), or
exclusively owned by us..

At least that's how it is _supposed_ to be.

		Linus

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