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Groups > linux.kernel > #1315253
| From | Andrew Morton <akpm@linux-foundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH RFC] mm: Rework virtual memory accounting |
| Date | 2016-01-22 21:30 +0100 |
| Message-ID | <qTQvg-DQ-1@gated-at.bofh.it> (permalink) |
| References | <qKNmV-7GX-1@gated-at.bofh.it> <qKOsF-8lW-3@gated-at.bofh.it> <qTPSy-9C-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, 22 Jan 2016 20:42:11 +0100 Christian Borntraeger <borntraeger@de.ibm.com> wrote:
> On 12/28/2015 11:22 PM, Linus Torvalds wrote:
> > On Mon, Dec 28, 2015 at 1:10 PM, Cyrill Gorcunov <gorcunov@gmail.com> wrote:
> >> Really sorry for delays. Konstantin, I slightly updated the
> >> changelog (to point where problem came from). Linus are you
> >> fine with accounting not only anonymous memory in VmData?
> >
> > The patch looks ok to me. I guess if somebody relies on old behavior
> > we may have to tweak it a bit, but on the whole this looks sane and
> > I'd be happy to merge it in the 4.5 merge window (and maybe even have
> > it marked for stable if it works out)
> >
>
> Just want to mention that this patch breaks older versions of valgrind
> (including the current release)
> https://bugs.kde.org/show_bug.cgi?id=357833
> It is fixed in trunk (and even triggered some good cleanups, so the valgrind
> developers do NOT want it to get reverted). Rawhide already has the valgrind
> fix, others might not, so if we consider this for stable, things might break
> here and there, but in general this looks like a good cleanup.
>
OK, thanks - that sounds reasonable, although a bit worrisome - what
other userspace was affected? In some cases people won't find out for
years...
84638335900f199 ("mm: rework virtual memory accounting") did not have
the cc:stable tag so it should avoid the -stable dragnet.
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Re: [PATCH RFC] mm: Rework virtual memory accounting Christian Borntraeger <borntraeger@de.ibm.com> - 2016-01-22 20:50 +0100 Re: [PATCH RFC] mm: Rework virtual memory accounting Andrew Morton <akpm@linux-foundation.org> - 2016-01-22 21:30 +0100 Re: [PATCH RFC] mm: Rework virtual memory accounting Cyrill Gorcunov <gorcunov@gmail.com> - 2016-01-22 21:30 +0100 Re: [PATCH RFC] mm: Rework virtual memory accounting Linus Torvalds <torvalds@linux-foundation.org> - 2016-01-22 21:40 +0100
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