Re: [PATCH -mm] only drop root anon_vma if not self

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Dave,

On Thu, 2010-06-10 at 02:30 +0100, Dave Young wrote:
> On Thu, Jun 10, 2010 at 9:16 AM, Rik van Riel <riel@xxxxxxxxxx> wrote:
> > On Wed, 9 Jun 2010 17:19:02 +0800
> > Dave Young <hidave.darkstar@xxxxxxxxx> wrote:
> >
> >> > Manually bisected mm patches, the memleak caused by following patch:
> >> >
> >> > mm-extend-ksm-refcounts-to-the-anon_vma-root.patch
> >>
> >>
> >> So I guess the refcount break, either drop-without-get or over-drop
> >
> > I'm guessing I did not run the kernel with enough debug options enabled
> > when I tested my patches...
> >
> > Dave & Catalin, thank you for tracking this down.
> >
> > Dave, does the below patch fix your issue?
> 
> Yes, it fixed the issue. Thanks.

Thanks for investigating this issue.

BTW, without my kmemleak nobootmem patch (and CONFIG_NOBOOTMEM enabled),
do you get other leaks (false positives). If my patch fixes the
nobootmem problem, can I add a Tested-by: Dave Young?

Thanks.

-- 
Catalin

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