From: Andrew Morton <akpm@linux-foundation.org>
To: Yuanyuan Zhong <yzhong@purestorage.com>
Cc: David Hildenbrand <david@redhat.com>,
Matthew Wilcox <willy@infradead.org>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
Mohamed Khalfella <mkhalfella@purestorage.com>
Subject: Re: [PATCH] mm: /proc/pid/smaps_rollup: avoid skipping vma after getting mmap_lock again
Date: Thu, 23 May 2024 20:02:28 -0700 [thread overview]
Message-ID: <20240523200228.fdaa0319d3fd4bd7a62f7f8a@linux-foundation.org> (raw)
In-Reply-To: <CA+AMecHUo-sPy5wDszWgX5BWPAqMwrXqCWO1jGE5uMRq2U=BVw@mail.gmail.com>
On Thu, 23 May 2024 12:16:57 -0700 Yuanyuan Zhong <yzhong@purestorage.com> wrote:
> On Thu, May 23, 2024 at 11:56 AM Andrew Morton
> <akpm@linux-foundation.org> 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.
next prev parent reply other threads:[~2024-05-24 3:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-23 18:35 [PATCH] mm: /proc/pid/smaps_rollup: avoid skipping vma after getting mmap_lock again Yuanyuan Zhong
2024-05-23 18:56 ` Andrew Morton
2024-05-23 19:16 ` Yuanyuan Zhong
2024-05-24 3:02 ` Andrew Morton [this message]
2024-05-27 7:33 ` David Hildenbrand
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