From: Pedro Falcato <pfalcato@suse.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com>,
Lorenzo Stoakes <ljs@kernel.org>,
Vlastimil Babka <vbabka@kernel.org>,
Jann Horn <jannh@google.com>,
David Hildenbrand <david@kernel.org>,
Dev Jain <dev.jain@arm.com>, Luke Yang <luyang@redhat.com>,
jhladky@redhat.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 0/2] mm/mprotect: micro-optimization work
Date: Mon, 6 Apr 2026 09:29:39 +0100 [thread overview]
Message-ID: <6bl5bzq742c522nmhlshlnf6ho6y6a747l3zh63aagp7kfxymv@s2c6fsuikn4m> (raw)
In-Reply-To: <20260402113328.fd0a6f0e28cf74a651fa2291@linux-foundation.org>
On Thu, Apr 02, 2026 at 11:33:28AM -0700, Andrew Morton wrote:
> On Thu, 2 Apr 2026 15:16:26 +0100 Pedro Falcato <pfalcato@suse.de> wrote:
>
> > Micro-optimize the change_protection functionality and the
> > change_pte_range() routine. This set of functions works in an incredibly
> > tight loop, and even small inefficiencies are incredibly evident when spun
> > hundreds, thousands or hundreds of thousands of times.
>
> Thanks, I updated mm.git's mm-unstable branch to this version.
>
> The update is rather large. If people think it best to spill this work
> into next -rc1 then please advise.
I think it's a fairly safe change for 7.1, but I'm biased :) Perhaps others think
otherwise.
--
Pedro
next prev parent reply other threads:[~2026-04-06 8:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-02 14:16 Pedro Falcato
2026-04-02 14:16 ` [PATCH v3 1/2] mm/mprotect: move softleaf code out of the main function Pedro Falcato
2026-04-07 9:58 ` Vlastimil Babka (SUSE)
2026-04-02 14:16 ` [PATCH v3 2/2] mm/mprotect: special-case small folios when applying write permissions Pedro Falcato
2026-04-02 14:21 ` Pedro Falcato
2026-04-02 18:29 ` Andrew Morton
2026-04-06 8:28 ` Pedro Falcato
2026-04-07 0:50 ` Davidlohr Bueso
2026-04-07 8:21 ` Pedro Falcato
2026-04-07 12:31 ` Vlastimil Babka (SUSE)
2026-04-07 14:01 ` Pedro Falcato
2026-04-02 18:33 ` [PATCH v3 0/2] mm/mprotect: micro-optimization work Andrew Morton
2026-04-06 8:29 ` Pedro Falcato [this message]
2026-04-06 9:09 ` David Hildenbrand (arm)
2026-04-06 17:38 ` Andrew Morton
2026-04-07 10:08 ` Lorenzo Stoakes (Oracle)
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