lkml.org 
[lkml]   [2001]   [May]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: page_launder() bug

On Mon, 7 May 2001, Marcelo Tosatti wrote:
>
> On 7 May 2001, Linus Torvalds wrote:
>
> > But it is important to re-calculate the deadness after getting the
> > lock. Before, it was just an informed guess. After the lock, it is
> > knowledge. And you can use informed guesses for heuristics, but you
> > must _not_ use them for any serious decisions.
>
> 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

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:52    [W:0.095 / U:2.968 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site