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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 11:56:24 -0700	[thread overview]
Message-ID: <20240523115624.d068dfb43afc067ed9307cfe@linux-foundation.org> (raw)
In-Reply-To: <20240523183531.2535436-1-yzhong@purestorage.com>

On Thu, 23 May 2024 12:35:31 -0600 Yuanyuan Zhong <yzhong@purestorage.com> wrote:

> After switching smaps_rollup to use VMA iterator, searching for next
> entry is part of the condition expression of the do-while loop. So the
> current VMA needs to be addressed before the continue statement.

Please describe the userspace-visible runtime effects of this bug. 
This aids others in deciding which kernel version(s) need the patch.

Thanks.

  reply	other threads:[~2024-05-23 18:56 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 [this message]
2024-05-23 19:16   ` Yuanyuan Zhong
2024-05-24  3:02     ` Andrew Morton
2024-05-27  7:33 ` David Hildenbrand

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