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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774450185; bh=vdWnaW52OsF7GWkudyaJaZPtWfOFC41QjwCdtOIDjs0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hIvE9/sy1vmKBSUAPVv4Qy9n2m0p+NOPQ8XGAZUYs6NMNe3LUc5bgbq08wWIM3FNS kMH63dXBn5+ImPB59lsIqBesbous6WDSgw/0VUitiZsHOlb9SbA6fufyNyypBimWbA DLkTep8Nqz0CgOm8NEQBuS/003Vv/s24so29PGsUFrsB57HCKngKJTm5rjESnQNCvT tajAKihUY+kGVGs+PBiglNd4ccT7cqBNkBSbkL7ZL/IQwBT5Uzfaog2JTAOB7B2cOk i/kfRpczYNrDRuaeQLDAYqd7nJQthNzFGOhDHXcaB4qYNcsgmzjUf2T7W3+g2GhmaV Q2MMe06tMBk3g== Date: Wed, 25 Mar 2026 14:49:30 +0000 From: "Lorenzo Stoakes (Oracle)" To: Andrew Morton 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: <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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260325074516.46bfcf772d5eb4482d7df36d@linux-foundation.org> X-Rspamd-Queue-Id: EE8C91C0014 X-Stat-Signature: aubsu896uy8edk9x4x8snefqoyu8sm7f X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1774450185-101959 X-HE-Meta: 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 l+O74Q/G 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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, 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... Cheers, Lorenzo