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b=Up5EPsQ4bUzLHKopp1zrTWgXDcejLPlvkFcAarVOI++LnRDNqPd4bqQH/BGWtIy/7 gnxCvXCn9eMIICSDI3yNhJhvULzoOqKeHPBv+30UgoBXaE9Qq098KhaxDekbHh9Ke2 Ub5E7IgxumcSs8ViB7lHbM8pe81IkKBGAlY+RJGM= Date: Wed, 25 Mar 2026 07:45:16 -0700 From: Andrew Morton To: "Lorenzo Stoakes (Oracle)" Cc: Nico Pache , linux-kernel@vger.kernel.org, linux-mm@kvack.org, aarcange@redhat.com, anshuman.khandual@arm.com, apopple@nvidia.com, baohua@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, 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 Subject: Re: [PATCH mm-unstable v4 2/5] mm: introduce is_pmd_order helper Message-Id: <20260325074516.46bfcf772d5eb4482d7df36d@linux-foundation.org> In-Reply-To: References: <20260325114022.444081-1-npache@redhat.com> <20260325114022.444081-3-npache@redhat.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=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 0FEDD80004 X-Stat-Signature: xdafuyoq5ermynh8xsi16tu544o1dqmb X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1774449919-788250 X-HE-Meta: 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 4dX73/HB 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 25 Mar 2026 12:11:43 +0000 "Lorenzo Stoakes (Oracle)" wrote: > On Wed, Mar 25, 2026 at 05:40:19AM -0600, 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: Baolin Wang > > Reviewed-by: Dev Jain > > 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 > > Nit, but could we please update both to: > > Lorenzo Stoakes (Oracle) hp2:/usr/src/25> grep lorenzo.stoakes@oracle.com patches/*.patch|wc -l 105 Please lmk if you'd prefer that I go through these and update the email address.