Re: VM-related Oops: 2.4.15pre1

Linus Torvalds (torvalds@transmeta.com)
Mon, 19 Nov 2001 15:03:01 -0800 (PST)

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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