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Thu, 26 Feb 2026 16:55:19 +0800 Message-ID: Date: Thu, 26 Feb 2026 16:55:17 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH mm-unstable v2 2/5] mm: introduce is_pmd_order helper To: Nico Pache , linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: aarcange@redhat.com, akpm@linux-foundation.org, anshuman.khandual@arm.com, apopple@nvidia.com, baohua@kernel.org, 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, 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, lance.yang@linux.dev, 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: <20260226012929.169479-1-npache@redhat.com> <20260226012929.169479-3-npache@redhat.com> From: Baolin Wang In-Reply-To: <20260226012929.169479-3-npache@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Stat-Signature: 9ri11p9x1gsg6kwhg7xw6guq7oqf1anr X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 0319214000E X-HE-Tag: 1772096125-823962 X-HE-Meta: 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 V0sw/OoO RC5LiPNrTokhqy8ihEB3aseYvUmanVtboRPd33uJneTD49lyfrtSgxMcOtGZGBkrprj+jSd1YZj1ZdORnQi/f7qgePUS/JMLWU3qZJn27kiNOo6LqQDqsPKeJy01M4uwsGbJBlFW307is0ijQ+ooitst69cND33X8qtaeCwpH2kEOuM80il6f0UNQfMP3lQBK1MvJyf+CkR1uyDZJxiiVASV45FssyYXW9TxYQbiYMPAksyBwMGI4to6bqR6iLzd0K9u8pOQsfU2UjCGiY70Lmgzz10Y/3GM5pJsv6xivwKrdLibL0JwzrOQVvzxTYwfGCmXPhDHwCQq4yDQeBh/PX+OvmRCnV9B5rD3znFgbwhUVMa78nUjos0izq+DRF530RDWz88EqtjdR0nEMEV6DH21LlzVgK0BxDqr2WjonQE/r9fqIip0J+em0IvCks2bWaIX1ZCPkBOSH6L/TWGGs+35qOw1d1exov3ajcGMFa+Mms0V6FuZPT41f3/bmslp3aLiNMmd/CFL2Cz1P4smEtXAbKXHIrusl74t6x8J3QoHZvCRH00hIM5Z/1w== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2/26/26 9:29 AM, 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. > > Acked-by: David Hildenbrand (Arm) > Reviewed-by: Wei Yang > Reviewed-by: Lance Yang > Reviewed-by: Barry Song > Reviewed-by: Zi Yan > Reviewed-by: Pedro Falcato > Reviewed-by: Lorenzo Stoakes > Suggested-by: Lorenzo Stoakes > Signed-off-by: Nico Pache > --- Reviewed-by: Baolin Wang