Re: [PATCH] mm: /proc/pid/smaps_rollup: avoid skipping vma after getting mmap_lock again

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On Thu, 23 May 2024 12:16:57 -0700 Yuanyuan Zhong <yzhong@xxxxxxxxxxxxxxx> wrote:

> On Thu, May 23, 2024 at 11:56 AM Andrew Morton
> <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > Please describe the userspace-visible runtime effects of this bug.
> > This aids others in deciding which kernel version(s) need the patch.
> >
> Otherwise, with some VMAs skipped, userspace observed memory consumption
> from /proc/pid/smaps_rollup will be smaller than the sum of the
> corresponding fields from /proc/pid/smaps.
> 
> Please let me know if separate v2 is needed. Thanks

All is good, thanks.  I added the above text and the cc:stable tag.




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