Re: [PATCH 1/2] selftests/mm: compaction_test: Fix incorrect write of zero to nr_hugepages

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To: Dev Jain <dev.jain@xxxxxxx>
Subject: Re: [PATCH 1/2] selftests/mm: compaction_test: Fix incorrect write of zero to nr_hugepages
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Date: Sun, 19 May 2024 17:00:24 -0700
Cc: shuah@xxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Anshuman.Khandual@xxxxxxx, sjayaram@xxxxxxxxxx, stable@xxxxxxxxxxxxxxx
In-reply-to: <20240515093633.54814-2-dev.jain@arm.com>

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

Follow-Ups:
- Re: [PATCH 1/2] selftests/mm: compaction_test: Fix incorrect write of zero to nr_hugepages
  - From: Dev Jain

References:
- [PATCH 0/2] Fixes for compaction_test
  - From: Dev Jain
- [PATCH 1/2] selftests/mm: compaction_test: Fix incorrect write of zero to nr_hugepages
  - From: Dev Jain

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