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imf03.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=i2yxNUai; spf=pass (imf03.hostedemail.com: domain of lance.yang@linux.dev designates 95.215.58.181 as permitted sender) smtp.mailfrom=lance.yang@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1771053864; a=rsa-sha256; cv=none; b=i0jt2BqRcHuY+NhyIP/Wu98JtkKvgw1+B72LXlhYJyRGvj7/6ep0dXUjpXZpuxu6IZHo3u bhqH7KTqNrz14T+AArxSc1FOQKdqB6wUZAgKRxjZ4okSV8oGmD6Kq2PVLy5mpdyNxKedEg jL0yrzfDWnuYMClmYlP3sk3MFfwHu4w= Message-ID: <74dfa08c-088d-474b-a56a-c55b6f1d2e32@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1771053859; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sLBetFBaYu2PeLbGVLo1UPd6kKPXLNuBM/BqMSFx1P0=; b=i2yxNUaiSSgBGp/PtcqcZYOilu3AwydVHA5Ap3PWi0LiC6IK37/YKBzGgUaxda26FOTPpo YUZmjZJcjy7HdpJUh4unDETk0gLA6oWu/EHKPx1DhvjrPDtYL6N5ZUYvB5gLlklSgcL3UN 4nMJuv1z8QSDjapanllmC3ykH/Dbi48= Date: Sat, 14 Feb 2026 15:24:06 +0800 MIME-Version: 1.0 Subject: Re: [PATCH mm-unstable v1 2/5] mm: introduce is_pmd_order helper Content-Language: en-US To: Nico Pache Cc: aarcange@redhat.com, akpm@linux-foundation.org, anshuman.khandual@arm.com, apopple@nvidia.com, baohua@kernel.org, linux-kernel@vger.kernel.org, baolin.wang@linux.alibaba.com, byungchul@sk.com, catalin.marinas@arm.com, cl@gentwo.org, corbet@lwn.net, dave.hansen@linux.intel.com, david@kernel.org, dev.jain@arm.com, gourry@gourry.net, linux-mm@kvack.org, hannes@cmpxchg.org, hughd@google.com, jackmanb@google.com, jack@suse.cz, jannh@google.com, jglisse@google.com, joshua.hahnjy@gmail.com, kas@kernel.org, Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, mathieu.desnoyers@efficios.com, matthew.brost@intel.com, mhiramat@kernel.org, mhocko@suse.com, peterx@redhat.com, pfalcato@suse.de, rakie.kim@sk.com, raquini@redhat.com, rdunlap@infradead.org, richard.weiyang@gmail.com, rientjes@google.com, rostedt@goodmis.org, rppt@kernel.org, ryan.roberts@arm.com, shivankg@amd.com, sunnanyong@huawei.com, surenb@google.com, thomas.hellstrom@linux.intel.com, tiwai@suse.de, usamaarif642@gmail.com, vbabka@suse.cz, vishal.moola@gmail.com, wangkefeng.wang@huawei.com, will@kernel.org, willy@infradead.org, yang@os.amperecomputing.com, ying.huang@linux.alibaba.com, ziy@nvidia.com, zokeefe@google.com References: <20260212021835.17755-1-npache@redhat.com> <20260212021835.17755-3-npache@redhat.com> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Lance Yang In-Reply-To: <20260212021835.17755-3-npache@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT X-Stat-Signature: iozcwprcx5exc819wisbp7h5w6i4sd39 X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: B8E8720003 X-HE-Tag: 1771053863-968979 X-HE-Meta: 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 0ci3E1WV 7JRu/GdQe9Qsl7cEVVbMgYHBkgFcFVwke+1zicLo4a39A3VtkwAiwCG7j7p04xzRNFd12TmdKsKV72VwYiiH/XutDfQy/65GjpkJh/7v91LuikfIlqtLBz38XN4poLpZxHjoKuJokjYWuKEN9arOJb/AMi5zbjOONDXG0BujJrWkVeD9wKsbBhBTzQ2tUl6IUsnH7u4LZkHFSGeLeybTQyiLjOgPUYMl4HV17TBoSSbHBLGdrQAR8s9ig1xsdzHzgJuIE1wSLwgqQTsTXZmueKR+nPehPjNfKqG51N/F+Mob0RMugUf3SCaueIExPy2XvKjTzzXkqpVD2GnVcpx6BiFYtwBrX2NH0jMnmnXyKX0KsN0Bi6VT9URl0ElmYElijBrWcO6oioCyWyj+VFdrwHBdBWg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2026/2/12 10:18, Nico Pache wrote: > In order to add mTHP support to khugepaged, we will often be checking if a > given order is (or is not) a PMD order. Some places in the kernel already > use this check, so lets create a simple helper function to keep the code > clean and readable. > > Reviewed-by: Lorenzo Stoakes > Suggested-by: Lorenzo Stoakes > Signed-off-by: Nico Pache > > arches# pick b3ace8be204f # mm/khugepaged: rename hpage_collapse_* to collapse_* > --- Looks good to me. Reviewed-by: Lance Yang