linux-kernel - Re: [PATCH v7 0/7] use per-vma locks for /proc/pid/maps reads

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Message-ID: <CAJuCfpE7TAZmk+y-BC9WAYMTH31Ao1PNd9H8h=0GCLEyXygUdg@mail.gmail.com>
Date: Wed, 16 Jul 2025 18:38:03 -0700
From: Suren Baghdasaryan <surenb@...gle.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Liam.Howlett@...cle.com, lorenzo.stoakes@...cle.com, david@...hat.com, 
	vbabka@...e.cz, peterx@...hat.com, jannh@...gle.com, hannes@...xchg.org, 
	mhocko@...nel.org, paulmck@...nel.org, shuah@...nel.org, adobriyan@...il.com, 
	brauner@...nel.org, josef@...icpanda.com, yebin10@...wei.com, 
	linux@...ssschuh.net, willy@...radead.org, osalvador@...e.de, 
	andrii@...nel.org, ryan.roberts@....com, christophe.leroy@...roup.eu, 
	tjmercier@...gle.com, kaleshsingh@...gle.com, aha310510@...il.com, 
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
	linux-mm@...ck.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v7 0/7] use per-vma locks for /proc/pid/maps reads

On Wed, Jul 16, 2025 at 3:55 PM Andrew Morton <akpm@...ux-foundation.org> wrote:
>
> On Tue, 15 Jul 2025 20:05:49 -0700 Suren Baghdasaryan <surenb@...gle.com> wrote:
>
> > This patchset switches from holding mmap_lock while reading /proc/pid/maps
> > to taking per-vma locks as we walk the vma tree.
>
> Thanks, I added this v7 series to mm-new.  Which I usually push out
> mid-evening California time.

Thanks! There are some comments on the last version as well, so
unfortunately I'll have to respin and bother you again once that's
addressed but this update should at least remove the syzbot noise.