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b=cdYOayuPJYi2aaxhAmAFgppjg5NFHZRBdYAYmVT0UcRjcTZjflLB/FGXTUb9V3lJx OgYT97I6nd+lwOsBPiBlUFP0OCrdat5FF+6ghCrli/AY5UhTyMpR/3xUnK2jyN4H6W 38fwnTH1RNgXYVSZcfyBJ0jwwTiW+dxnu/XqmhNw= Date: Fri, 27 Mar 2026 11:11:04 -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: <20260327111104.b8bc18be45172639f5b9226f@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 778D440012 X-Stat-Signature: aot4du6h7kd848ttq6xi3im1sowma4an X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1774635066-263089 X-HE-Meta: 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 5OhRKnWx 0vK/ljzoCHlLQo+hlJgN2enHWSX9JiuvbuYjLEcmmZSAt6zkTHHRHzrAI4hjCsA74SPVooGhPYZT9+VjIEi0ddd4D73us6kVMbNUlB9ndgoHt1EYTMG5ZwUvW27T67uxHHPOqMQKR6Qk/iIbkTdNMmUurqIyxXSkC/sxyw44OQjwf/th84BdOYdSqNMcJoaZ57/hfEe8ZDW0vNyUfxANrJ8S2ktbh8vN9KwZoOf3lcYSCBfhks6lEIC+8+9DOEYCGBFvP7kdRqRQ5Z8SqtrLIUn6fNmXhOdgmzOZE+S+9hxNiw1Jt1Y1dTfSqBPpHSOZ72PCIvaHve5LJF7X2DWdg00r/2fr69THObXwgxLm9mZPQ86/Xu+XYVYmWdgx8pTq2EMi78ngc+ugSb3ZXJiCc7Q71og== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, 27 Mar 2026 12:45:54 +0530 Sayali Patil wrote: > Powerpc systems with a 64K base page size exposed several issues while > running mm selftests. Some tests assume specific hugetlb configurations, > use incorrect interfaces, or fail instead of skipping when the required > kernel features are not available. > > This series fixes these issues and improves test robustness. > > Please review the patches and provide any feedback or suggestions for > improvement. AI review asks many questions: https://sashiko.dev/#/patchset/cover.1774591179.git.sayalip@linux.ibm.com I never knew about that bash line continuation thing. hp2:/home/akpm> cat t.sh foo=\ bar echo $foo hp2:/home/akpm> bash t.sh t.sh: line 3: bar: command not found Huh. But it presumably passed your testing so confused. I don't want to risk breaking selftests so I'll set v3 aside until you're confident we should proceed. Thanks.