linux-kernel - Re: [PATCH] selftests/mm: remove PROT

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Message-ID: <0ab335cd-a1f6-447d-8f52-30260b8ae400@arm.com>
Date: Wed, 10 Sep 2025 09:28:30 +0530
From: Dev Jain <dev.jain@....com>
To: Zach O'Keefe <zokeefe@...gle.com>,
 Andrew Morton <akpm@...ux-foundation.org>,
 David Hildenbrand <david@...hat.com>,
 Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, Zi Yan <ziy@...dia.com>,
 Baolin Wang <baolin.wang@...ux.alibaba.com>,
 "Liam R. Howlett" <Liam.Howlett@...cle.com>,
 Ryan Roberts <ryan.roberts@....com>, Shuah Khan <shuah@...nel.org>,
 linux-mm@...ck.org, linux-kselftest@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] selftests/mm: remove PROT_EXEC req from file-collapse
 tests

On 10/09/25 12:35 am, Zach O'Keefe wrote:
> As of v6.8 commit 7fbb5e188248 ("mm: remove VM_EXEC requirement for THP eligibility")
> thp collapse no longer requires file-backed mappings be created with
> PROT_EXEC.
>
> Remove the overly-strict dependency from thp collapse tests so we test
> the least-strict requirement for success.
>
> Signed-off-by: Zach O'Keefe <zokeefe@...gle.com>

LGTM

Reviewed-by: Dev Jain <dev.jain@....com>