|| ||Linus Torvalds <torvalds-AT-linux-foundation.org> |
|| ||Borislav Petkov <bp-AT-alien8.de> |
|| ||Re: [PATCH -v2] rmap: make anon_vma_prepare link in all the anon_vmas
of a mergeable VMA |
|| ||Mon, 12 Apr 2010 15:11:53 -0700 (PDT)|
|| ||Johannes Weiner <hannes-AT-cmpxchg.org>,
KOSAKI Motohiro <kosaki.motohiro-AT-jp.fujitsu.com>,
Rik van Riel <riel-AT-redhat.com>,
Andrew Morton <akpm-AT-linux-foundation.org>,
Minchan Kim <minchan.kim-AT-gmail.com>,
Linux Kernel Mailing List <linux-kernel-AT-vger.kernel.org>,
Lee Schermerhorn <Lee.Schermerhorn-AT-hp.com>,
Nick Piggin <npiggin-AT-suse.de>,
Andrea Arcangeli <aarcange-AT-redhat.com>,
Hugh Dickins <hugh.dickins-AT-tiscali.co.uk>,
|| ||Article, Thread
On Mon, 12 Apr 2010, Borislav Petkov wrote:
> > I have a new theory. And this new theory is completely different from all
> > the other things we've been looking at.
> Yeah, because all starts with "I have a new theory..." :o)
Hey, all my other theories made sense too.. They just didn't work.
But as Edison said: I didn't fail, I just found three other ways to not
fix your bug.
> > The patch below is my largely mindless try at fixing this. It's untested.
> > I'm not entirely sure that it actually works. But it makes some amount of
> > conceptual sense. No?
> Linus, are you trying to give me a heart-attack? This sh*t just survived
> 20(!) hibernation runs without a problem (well, there is this nagging
> /sysfs lockdep warning) but apart from that, it survived! I even did my
> all time best when hitting on it. Normally, it used to crap up on the
> 6th cycle as latest. Now we're rock solid. And yes, there were something
> like ~64Mb in the swap cache.
> Also, I have your verification stuff in addition to the 4 patches you
> sent before. Not a single WARN_ONCE got triggered. So I have a gut
> feeling that it is fixed but you never know with these beasts.
Ok. That does sound very positive. Of course, last time you sounded
positive, I had an email from you half an hour later that said "oh no, it
oopsed again". So I'll take it with a bit of salt, but on the whole I'll
be optimistic about it.
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