Re: [PATCH] [BUGFIX] update mm->owner even if no next owner.

[Hugh Dickins]

On Mon, 13 Jun 2011, KAMEZAWA Hiroyuki wrote:
> On Sun, 12 Jun 2011 18:41:58 -0700 (PDT)
> Hugh Dickins <hughd@xxxxxxxxxx> wrote:
> > 
> > The version I've signed off and am actually testing is below;
> > but I've not had enough time to spare on the machine which reproduced
> > it before, and another I thought I'd delegate it to last night,
> > failed to reproduce without the patch.  Try again tonight.
> > 
> > Thought I'd better respond despite inadequate testing, given the flaw
> > in the posted patch.  Hope the one below is flawless.
> > 
> 
> Thank you, I'll do test, too.

I confirm it fixes the bug: ran ten hours last night, when a couple
of tries just before without the patch each failed in ten minutes.

(But the load was not testing whether it keeps ownership when it should,
I hope you know a quick check on that: our earlier fixes should fail that.)

Hugh
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