linux-kernel - Re: [PATCH v2 7/8] selftests/mm: fix exit code in pagemap

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Message-ID: <20260108021238.46605-1-lianux.mm@gmail.com>
Date: Thu,  8 Jan 2026 10:12:37 +0800
From: wang lian <lianux.mm@...il.com>
To: kevin.brodsky@....com
Cc: Usama.Anjum@....com,
	akpm@...ux-foundation.org,
	broonie@...nel.org,
	david@...nel.org,
	linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-mm@...ck.org,
	lorenzo.stoakes@...cle.com,
	ryan.roberts@....com,
	shuah@...nel.org,
	wang lian <lianux.mm@...il.com>
Subject: Re: [PATCH v2 7/8] selftests/mm: fix exit code in pagemap_ioctl

> Make sure pagemap_ioctl exits with an appropriate value:
> 
> * If the tests are run, call ksft_finished() to report the right
>   status instead of reporting PASS unconditionally.
> 
> * Report SKIP if userfaultfd isn't available (in line with other
>   tests)
> 
> * Report FAIL if we failed to open /proc/self/pagemap, as this file
>   has been added a long time ago and doesn't depend on any CONFIG
>   option (returning -EINVAL from main() is meaningless)
> 
> Cc: Usama Anjum <Usama.Anjum@....com>
> Reviewed-by: Ryan Roberts <ryan.roberts@....com>
> Reviewed-by: Mark Brown <broonie@...nel.org>
> Acked-by: David Hildenbrand (Red Hat) <david@...nel.org>
> Signed-off-by: Kevin Brodsky <kevin.brodsky@....com>

Reviewed-by: wang lian <lianux.mm@...il.com>

--
Best Regards,
wang lian