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From: SJ Park <sj@kernel.org>
To: Aveline Noir <jm5905938@gmail.com>
Cc: SJ Park <sj@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	David Hildenbrand <david@kernel.org>,
	Shuah Khan <shuah@kernel.org>,
	Suren Baghdasaryan <surenb@google.com>,
	Lorenzo Stoakes <ljs@kernel.org>,
	"Liam R. Howlett" <liam@infradead.org>,
	Vlastimil Babka <vbabka@kernel.org>,
	Mike Rapoport <rppt@kernel.org>,
	Michal Hocko <mhocko@suse.com>,
	Christian Brauner <brauner@kernel.org>,
	Muhammad Usama Anjum <usama.anjum@arm.com>,
	linux-mm@kvack.org,
	linux-kselftest@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] selftests/mm: mrelease_test: fix retry limit
Date: Fri,  2 Oct 2026 11:55:55 -0700
Message-ID: <20261002185556.41533-1-sj@kernel.org>
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On Wed, 30 Sep 2026 23:00:27 -0700 Aveline Noir <jm5905938@gmail.com> wrote:

> mrelease_test doubles the child allocation when process_mrelease()
> returns ESRCH.
> 
> When size is already MAX_SIZE_MB, the current <= check still allows
> another retry, causing the allocation to grow from 1024 MB to 2048 MB.
> 
> Use < instead of <= so the largest allocation attempted remains
> MAX_SIZE_MB.

Makes sense to me.

> 
> LLM used in discovering bug. Changes were made and reviewed manually.
> 
> Fixes: 33776141b812 ("selftests: vm: add process_mrelease tests")
> Assisted-by: LLM
> Signed-off-by: Aveline Noir <jm5905938@gmail.com>

Reviewed-by: SJ Park <sj@kernel.org>


Thanks,
SJ

[...]