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imf26.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=FM5j2lqH; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf26.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1790171699; b=0T0ZkPcQEbsq9R049puFHGF8Q4iarLm8h3kKMhR+CjV6zqstf28wck45ZLlefrx57s+IQh VC7InFNY52Zvs30I5D7ejAV3g9hXJgRnAQn/aacqso6vw70xQmVaHMER0srwUXwCCrQLgx ErW6uD9+7ydTnahMgOFA/P8+tNc4JF0= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 3D46B600AA; Wed, 23 Sep 2026 13:54:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85DF01F000FF; Wed, 23 Sep 2026 13:54:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790171699; bh=3pRdOBL+cijWfZO9/7sYlQGKCgeKIlKJlS6CU60AIms=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=FM5j2lqHF5oBA4kkvgz0PCwgEZsqnHHisgMdkAAnmRuvvwHVyhV2luZJK6Y4xkemL qAPC3fd7iEJsbd4xQDTAQ7q11ZqPOPy+xvE8OlQX9ae0LVkWeQlJEePNYwymIgC31g I9T+XAYUIU07RhGDOcqX7yEpg+RocTvGQgi62YrIsf5DnIuzwxvAiPX55mz+k2pO4M 4Deia8UBXt97VtZtydrpwjRzcDk+ZM3EmHeK+hJImCzrcdHCdIs2GTD/OP6eqCm/1C SG+CNlFlvz1KiGyOFaPQFsi+mA5+jTYIZln8Cdpcxvx61fAaAp1iIP0xnhZnSSI3ki J9iQD2s3T/VGw== Message-ID: <0241581e-3823-43ec-9c6d-2346433f8f87@kernel.org> Date: Wed, 23 Sep 2026 15:54:48 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] kselftest: mm: use helper to identify anon_ops in khugepaged test To: Yeoreum Yun , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Cc: akpm@linux-foundation.org, ziy@nvidia.com, baolin.wang@linux.alibaba.com, liam@infradead.org, nico.pache@linux.dev, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, usama.arif@linux.dev, kas@kernel.org, ljs@kernel.org, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, shuah@kernel.org References: <20260923110133.429745-1-yeoreum.yun@arm.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Stat-Signature: 5kaortiw7uso1o5zaokqik619poj5p79 X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: BC7CB140003 X-HE-Tag: 1790171699-319310 X-HE-Meta: U2FsdGVkX1+7H/4c8Q07IjI/LTtGQA6imfSGVs0i9gvfk4a7nNMy1SpaZwYnoaswLxVMLsyATT8Css8XFV76yieg/9BYFv8atRAbXIsAEK36GQMdCUdkSk8gU46PWnSCphfk7ESty+zFvH6zUqGKyJ+sfRy3w//O8gjd0ncPhPq8axmtOcrE6DJbPCITAdh2+lmQAmdgx+ZkuOWSV1wyfqrYqtMi5qZOrJjVO4xeZQARTC7iVBkY+MPAWIKuJiezhiJ+C3rHUpQ05MLdsVpBVR4kZcLybNEzFoxDx2Qf4tbBsiyDYSWosY40eoHV3vxRx7uz3AXvqnWbGJDA8TXMlLIkvAhqSys8wXrLMFf/npefTXg+Qa5sRuulD0nRVJsC6PYsLDxIAkaswuj07AwRR2EVIkX5HVQ0BPYgGvg9fq2iAmnIJc9gufsybwBUHx2MeJhHI3ps6//C19V9Xt+osRhVO8OlPqqKK0ANNEf0oJAl4O03uER1zfYwNIr6zijrO46361/AFvdCeNwElJZ+C6fLCWTJdWiXS1amLbDzISLV0UNms9ytuOqj5iEFrks2HMvTcSUHiZ+J9O4jvHQZVHapUYNrixEWWUjLch2T7A1FXrkjzaTducS9cTfXJTuMJwUWjkWszl5wnrALWd8NROuOo9e+o2QxJ/U793Ik8iSU0eYMdhiZsmi3/XHvzGlLrs4s67U52FHS9fkONtkxzLseH+G4SWaFr8q6RBGMk6Up202bjrODj5bDLT8DTJLwtJuHJmHiDwdxCl1QBTggYHAkize7uG740X/4k0rlKKiG0g3z2RpETPfH5EAC08vYV9PIzSYEHjJ0WHdIvhF6t2qvt92xsuLhtgslRmZUCe9ousoJ815AT3HQXQbYJh3Aog/zWBKEOzV/AIFnrKkq08KEvoC9zDS2xDT+TFbZ5zVDn/B+eSZtp/G/4XsCQT+p8gSAR/4J4jHcWJUK6jG nTPcX5QN 2guaGWwdn79eWrTSbJsmeiJz02R+U3S7HdaoVLjTcI3y6IP0/qycvSrHjvACibX7DKbx/HifmGu8xOkm14r765C408wrIwKdxSWUAtP8as9VAvrHh3ADDomoNCveY+NGLbET0eks0DgRGk8ANi7PK5O9XPFdg1k1DJ95Z4Q9zrtr6KA8KvH7eLL/huBWRvEfl77qZAGnPl1fkRZCPb1zb/gLY4z4GuNsNSaiXG2DUZHMvpkQnxJxr4Aqtk1z47Mgbxd7vX+/9E+otNsFFuC3gBT/C5XR9lK+Szdf8O3Z3Mioos7vI0WaYmVSWIodaaXIL5xKP5WSDumcaOEbztjDjOWFBWVDrTf8q/SIT+GfoG4EFXSvtQZEX7uN+ae1QG30dZip5aq6mTHdTjGw= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 9/23/26 13:01, Yeoreum Yun wrote: > Instead of comparing mem_ops->name to determine whether mem_ops is > anon_ops, use the is_anon() helper. > > Suggested-by: Baolin Wang > Signed-off-by: Yeoreum Yun > --- > NOTE: > This patch is based on mm/mm-unstable. > --- > tools/testing/selftests/mm/khugepaged.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/mm/khugepaged.c b/tools/testing/selftests/mm/khugepaged.c > index bdc0c7c117d9..b0cb02bf1a73 100644 > --- a/tools/testing/selftests/mm/khugepaged.c > +++ b/tools/testing/selftests/mm/khugepaged.c > @@ -618,7 +618,7 @@ static bool wait_for_scan(const char *msg, char *p, size_t len, > usleep(TICK); > } > > - if (!strncmp(ops->name, "anon", 4)) > + if (is_anon(ops)) > madvise(p, len, MADV_NOHUGEPAGE); > > return timeout == -1; This should be squashed in the other patch under review. -- Cheers, David