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b=HWZGK5pKlAgxIRFuQ2YHfRFgJhoE1bVfCn62Pt4YcDXzAC7xJeU2J3eEJp2rU0xwz 3agFaCWBb7dwgLxEu96UIdiuNJ7Ue2JYlROiiVkGnBQYlURszQLspmbASxOM5OLNmf fQacPOncyQL8Vwq9sYh709Z3g6HOm4lXzCmREr+w= Date: Mon, 30 Mar 2026 15:11:25 -0700 From: Andrew Morton To: Sayali Patil Cc: Shuah Khan , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Ritesh Harjani , David Hildenbrand , Zi Yan , Michal Hocko , Oscar Salvador , Lorenzo Stoakes , Dev Jain , Liam.Howlett@oracle.com, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH v3 00/13] selftests/mm: fix failures and robustness improvements Message-Id: <20260330151125.d0b6cbb24b273bc963b05116@linux-foundation.org> In-Reply-To: <09104413-483f-4852-9d7e-71e0f86a1754@linux.ibm.com> References: <20260327111104.b8bc18be45172639f5b9226f@linux-foundation.org> <09104413-483f-4852-9d7e-71e0f86a1754@linux.ibm.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Stat-Signature: zq8fkyddeiro4h6p9tbdpeecmaxdioic X-Rspamd-Queue-Id: BB0041C0007 X-Rspamd-Server: rspam09 X-HE-Tag: 1774908687-81684 X-HE-Meta: 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 T84ufVvs H7VEgMqJow+oMhjs5J8qqYC63KK+MlIORUwdxL9LjyDupAVsQfLaUbW2eXU4kjEyF5W7pe/QIhyDEg6pIePrnC0ZJ/nfuaLY9zitt4TpvDx3vzReWOJFwyjC/n8kIGDxkwNgR2L5zC22t/0p61Z3B++1qmp93NfQAYgA9t3O4Qp7UHcqxu4TazMycx4JIkkOKrQgjImfIwR+Gs3Ijr9baCRF+NS2baLeVIhAGfmOSic8qSpEapjVxHQ/VQL+Rmf/wc6Xa0MOYAW6vNk/NWVOqhDZuldyOau6ktCiqqg3fCoApVQ5GD8l6uGCNqSS9CPvDBYcL3N8bbKdD8MxfXFG9ZgCiT7rmCzp4Hc1eRrkGEZEU/IEWISv3OsBMtmWhNz0DOUj25xuc/ChgnqHX+OZ8U4JU+GTu2FMCVV1eixwUVw4rNij3+Hf87u5w9x/n/FHmf03LQv8fsC5Fgzzw+F6LVsymwT05hUiutHMk Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, 30 Mar 2026 11:27:04 +0530 Sayali Patil wrote: > > I don't want to risk breaking selftests so I'll set v3 aside until > > you're confident we should proceed. > > > > Thanks. > > This line continuation pattern has been used in selftests for quite some > time. For example, a similar usage exists in > |charge_reserved_hugetlb.sh|, introduced here: > https://lore.kernel.org/all/20200211213128.73302-8-almasrymina@google.com/T/#u > > >  echo "$reservation_limit" > \ >     $cgroup_path/$name/hugetlb.${MB}MB.$reservation_limit_file > > In this case, it was primarily used to keep line length within 100 > characters. I’ve tested the script  and it behaved as expected. Great, thanks for checking. Series is nicely reviewed and an earlier version spent time in mm.git. And the bar tends to be lower for selftests. So I *could* break my rule (https://lkml.kernel.org/r/20260323202941.08ddf2b0411501cae801ab4c@linux-foundation.org) but would prefer not. What do others think? Did Venkat's report (https://lkml.kernel.org/r/cf815c21-138e-44c8-986d-d8496503ee32@linux.ibm.com) get addressed? I'm not seeing that in the v2->v3 changelogging.