linux-kernel - Re: [PATCH v4 1/5] mm: introduce vma_start_read_locked{

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Message-ID: <buetlvpqqkclvvceoqby3wzbmj2mg7ic42t3txgud44mf5eptj@tknatu4mmwq7>
Date: Wed, 20 Nov 2024 14:11:32 -0800
From: Shakeel Butt <shakeel.butt@...ux.dev>
To: Suren Baghdasaryan <surenb@...gle.com>
Cc: akpm@...ux-foundation.org, willy@...radead.org, 
	liam.howlett@...cle.com, lorenzo.stoakes@...cle.com, mhocko@...e.com, vbabka@...e.cz, 
	hannes@...xchg.org, mjguzik@...il.com, oliver.sang@...el.com, 
	mgorman@...hsingularity.net, david@...hat.com, peterx@...hat.com, oleg@...hat.com, 
	dave@...olabs.net, paulmck@...nel.org, brauner@...nel.org, dhowells@...hat.com, 
	hdanton@...a.com, hughd@...gle.com, minchan@...gle.com, jannh@...gle.com, 
	souravpanda@...gle.com, pasha.tatashin@...een.com, corbet@....net, 
	linux-doc@...r.kernel.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org, 
	kernel-team@...roid.com
Subject: Re: [PATCH v4 1/5] mm: introduce vma_start_read_locked{_nested}
 helpers

On Tue, Nov 19, 2024 at 04:08:22PM -0800, Suren Baghdasaryan wrote:
> Introduce helper functions which can be used to read-lock a VMA when
> holding mmap_lock for read. Replace direct accesses to vma->vm_lock
> with these new helpers.
> 
> Signed-off-by: Suren Baghdasaryan <surenb@...gle.com>
> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
> Reviewed-by: Davidlohr Bueso <dave@...olabs.net>

Reviewed-by: Shakeel Butt <shakeel.butt@...ux.dev>