Re: page_launder() bug

From: David S. Miller (davem@redhat.com)
Date: Mon May 07 2001 - 18:31:57 EST


Linus Torvalds writes:
>
> On Mon, 7 May 2001, Marcelo Tosatti wrote:
> > And thats what swap_writepage() is doing:
>
> Ehh.. swap_writepage() is called with the page locked. So it _can_ depend
> on it.
>
> If the page isn't locked there, then THAT is a bug. A major one.

Linus, he's trying to point out that writepage() will recheck (under
lock) what you think my dead_swap_page thing is not checking :-)

My changes always call writepage() and always redo all the checks
under the proper locks.

Later,
David S. Miller
davem@redhat.com
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