linux-kernel - Re: [PATCH 1/2] selftests/mm: compaction_test: Fix incorrect write of zero to nr

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Date: Sun, 19 May 2024 17:00:24 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Dev Jain <dev.jain@....com>
Cc: shuah@...nel.org, linux-mm@...ck.org, linux-kselftest@...r.kernel.org,
 linux-kernel@...r.kernel.org, Anshuman.Khandual@....com,
 sjayaram@...mai.com, stable@...r.kernel.org
Subject: Re: [PATCH 1/2] selftests/mm: compaction_test: Fix incorrect write
 of zero to nr_hugepages

On Wed, 15 May 2024 15:06:32 +0530 Dev Jain <dev.jain@....com> wrote:

> nr_hugepages is not set to zero because the file offset has not been reset
> after read(). Fix that using lseek().
> 

Please fully describe the runtime effects of this bug.