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b=uwxv3ati+NxPCpR2eIIU10Fu15XbUGEXJVM+M3OoDFd1opl2fdbQPXjKAoNCZC3io JNZy0INRkKIADC6/lwSpxz833Tzx6xyLkuER/F6mPRpSH4RGLNvMNJNOYCXmobgJI6 +bP8gR/uPfr0WqfRZ/OHEFRvGzI2VNo5VZciH2g4= Date: Tue, 6 May 2025 16:43:10 -0700 From: Andrew Morton To: Ignacio.MorenoGonzalez@kuka.com Cc: Ignacio Moreno Gonzalez via B4 Relay , lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, yang@os.amperecomputing.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v2 1/2] mm: mmap: map MAP_STACK to VM_NOHUGEPAGE only if THP is enabled Message-Id: <20250506164310.ff91ff53bb8295921d19cd19@linux-foundation.org> In-Reply-To: <20250506-map-map_stack-to-vm_nohugepage-only-if-thp-is-enabled-v2-1-f11f0c794872@kuka.com> References: <20250506-map-map_stack-to-vm_nohugepage-only-if-thp-is-enabled-v2-0-f11f0c794872@kuka.com> <20250506-map-map_stack-to-vm_nohugepage-only-if-thp-is-enabled-v2-1-f11f0c794872@kuka.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-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: DC74940009 X-Stat-Signature: c1r53ectqtr1f1pf1cyhrisrbwnm3s85 X-HE-Tag: 1746574992-188400 X-HE-Meta: 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 nrB+3B/R C1/EYr3SWqa1RFNntKscjHpEPTi1UNgrHbva5VnrLm5AF693v5+Jz1JZRB+OS06OOjJSrTh3dIKzRVMv7npCsj97WJxGPFKPqUguaBNASZaSqvpYYhvzrSENoiQL52umxD/dgUnyCVEBuNLlTO2Xg1uL/cfQVE4RP/a3SmgVbFJ2fMbFeCjAdLTp3+qo8Xx86FvW0OXb8Y33t6ZNs8LK2MEv7RVztvxmD9e68roBIHllnyUOn9nMMhWQgvMRe/I1h8BSO7+VGt/Y+ZUgnpZRLLyf6PbpyndhyYARXI+QiOLtf+cWBRDMN4XxSN7ZxSPnPRFA4OZ+Sj2L1TJNneV1Q0GKCPOA051L2DnSWzXLxY0Cn+D+aWEt/yJfa0NN4Sv4ghoJKs7CO4tJNpEWfsnwENkskSSSIpE2jFygThOnuvRFifChWWRn732ZtDw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000012, 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 Tue, 06 May 2025 15:44:32 +0200 Ignacio Moreno Gonzalez via B4 Relay wrote: > commit c4608d1bf7c6 ("mm: mmap: map MAP_STACK to VM_NOHUGEPAGE") maps > the mmap option MAP_STACK to VM_NOHUGEPAGE. This is also done if > CONFIG_TRANSPARENT_HUGETABLES is not defined. But in that case, the > VM_NOHUGEPAGE does not make sense. > > Fixes: c4608d1bf7c6 ("mm: mmap: map MAP_STACK to VM_NOHUGEPAGE") > Cc: stable@vger.kernel.org Mixing -stable and non-stable patches in a single series is troublesome, because the timing and targeting of these patches are quite different. I usually have to split them apart, munge around the changelogging and generally do things which I'd prefer you had done in the original! So please consider presenting these as two standalone patches.