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b=VwHysNZhgi4E6w6jEX7YF05sr1annXgdYSmz9kXWfHqL6HeTMDki+JsI/P7mweVcs ragu+sWHVwyMqTTWm6cDSA0+yPF1AYbbxfM2oLWJX3YhuUxYFITtKfX0OM1xZxrZq3 glh1gvES5VvQVbbXOuOPVkKbKne887yBhlI2BUnk= Date: Wed, 25 Mar 2026 09:05:03 -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: <20260325090503.50739871bd95a3e700e45a39@linux-foundation.org> In-Reply-To: <74104214-5759-451d-9279-37498918ec3e@lucifer.local> References: <20260325114022.444081-1-npache@redhat.com> <20260325114022.444081-3-npache@redhat.com> <20260325074516.46bfcf772d5eb4482d7df36d@linux-foundation.org> <74104214-5759-451d-9279-37498918ec3e@lucifer.local> 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-Server: rspam05 X-Rspamd-Queue-Id: 95878120019 X-Stat-Signature: 8f1qgpnm4zwe4hj9yuuzz6uc5rpi157h X-Rspam-User: X-HE-Tag: 1774454706-302994 X-HE-Meta: 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 5Sn6DIVn 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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 14:49:30 +0000 "Lorenzo Stoakes (Oracle)" wrote: > On Wed, Mar 25, 2026 at 07:45:16AM -0700, Andrew Morton wrote: > > 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. > > That'd be useful thanks. > > It's not a huge big deal, but trying to gently nudge the transition forwards a > bit... Done.