linux-kernel - Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock

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Message-ID: <Y8a734ufLZjPHgtT@dhcp22.suse.cz>
Date:   Tue, 17 Jan 2023 16:16:47 +0100
From:   Michal Hocko <mhocko@...e.com>
To:     Suren Baghdasaryan <surenb@...gle.com>
Cc:     akpm@...ux-foundation.org, michel@...pinasse.org,
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Subject: Re: [PATCH 17/41] mm/mmap: move VMA locking before
 anon_vma_lock_write call

On Mon 09-01-23 12:53:12, Suren Baghdasaryan wrote:
> Move VMA flag modification (which now implies VMA locking) before
> anon_vma_lock_write to match the locking order of page fault handler.

Does this changelog assumes per vma locking in the #PF?

-- 
Michal Hocko
SUSE Labs