linux-kernel - Re: [PATCH v4 6/7] selftests/mm: skip thuge-gen test if system is not setup properly

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250816144603.43nxd74hz6nrockz@master>
Date: Sat, 16 Aug 2025 14:46:03 +0000
From: Wei Yang <richard.weiyang@...il.com>
To: Aboorva Devarajan <aboorvad@...ux.ibm.com>
Cc: akpm@...ux-foundation.org, Liam.Howlett@...cle.com,
	lorenzo.stoakes@...cle.com, shuah@...nel.org, pfalcato@...e.de,
	david@...hat.com, ziy@...dia.com, baolin.wang@...ux.alibaba.com,
	npache@...hat.com, ryan.roberts@....com, dev.jain@....com,
	baohua@...nel.org, richard.weiyang@...il.com, linux-mm@...ck.org,
	linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
	donettom@...ux.ibm.com, ritesh.list@...il.com
Subject: Re: [PATCH v4 6/7] selftests/mm: skip thuge-gen test if system is
 not setup properly

On Sat, Aug 16, 2025 at 09:31:12AM +0530, Aboorva Devarajan wrote:
>Make thuge-gen skip instead of fail when it can't run due to system
>settings.  If shmmax is too small or no 1G huge pages are available, the
>test now prints a warning and is marked as skipped.
>
>-------------------
>Before Patch:
>-------------------
>~ running ./thuge-gen
>~ Bail out! Please do echo 262144 > /proc/sys/kernel/shmmax
>~ Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0
>~ [FAIL]
>not ok 28 thuge-gen ~ exit=1
>
>-------------------
>After Patch:
>-------------------
>~ running ./thuge-gen
>~ ~ WARNING: shmmax is too small to run this test.
>~ ~ Please run the following command to increase shmmax:
>~ ~ echo 262144 > /proc/sys/kernel/shmmax
>~ 1..0 ~ SKIP Test skipped due to insufficient shmmax value.
>~ [SKIP]
>ok 29 thuge-gen ~ SKIP
>
>Co-developed-by: Donet Tom <donettom@...ux.ibm.com>
>Signed-off-by: Donet Tom <donettom@...ux.ibm.com>
>Reviewed-by: Dev Jain <dev.jain@....com>
>Acked-by: David Hildenbrand <david@...hat.com>
>Reviewed-by: Zi Yan <ziy@...dia.com>
>Signed-off-by: Aboorva Devarajan <aboorvad@...ux.ibm.com>

Reviewed-by: Wei Yang <richard.weiyang@...il.com>

-- 
Wei Yang
Help you, Help me