Messages in this thread | | | Date | Mon, 7 May 2001 16:23:12 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: 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/
| |