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Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1uTgCR-00000003OC9-0JQF; Mon, 23 Jun 2025 12:22:59 +0000 Date: Mon, 23 Jun 2025 13:22:58 +0100 From: Matthew Wilcox To: Shivank Garg Cc: kent.overstreet@linux.dev, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, xiang@kernel.org, chao@kernel.org, jaegeuk@kernel.org, akpm@linux-foundation.org, david@redhat.com, vbabka@suse.cz, zbestahu@gmail.com, jefflexu@linux.alibaba.com, dhavale@google.com, lihongbo22@huawei.com, pankaj.gupta@amd.com, linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, kvm@vger.kernel.org, linux-coco@lists.linux.dev Subject: Re: [PATCH V2 1/2] mm/filemap: Add NUMA mempolicy support to filemap_alloc_folio() Message-ID: References: <20250623093939.1323623-4-shivankg@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250623093939.1323623-4-shivankg@amd.com> X-Rspamd-Queue-Id: 9F9E540013 X-Stat-Signature: wu7qee4h1ep5yxygg7kuw9wm9fk4an56 X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1750681402-920605 X-HE-Meta: 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 HZBkTuQb cz2xnIWGDFvypRN7GXFVinm/fF63dyoI1kIyMuhsmTD6xBZ3m21rqMpbfamYBN78ziDjfsgz4nNvFPLUQbyC/7fJcTxE/Zb4+cu25WJxIHGkzunCwpOugRe3KOQVO/N60Ma2mZk2iygULnfgrAmX5297m3S9O3B0pDQI9Jxyiw0Whexb95XthhxG/oKRHKkus6gzGEhbxwcgyv9CKyFiRWJW7TPBNTsSGucu5DASRlWKWsY+FFwnpynyMCeYmwhUZ2T129XHm8gOa5zidXbWzXfZRcNEWLBeDKJ2bwXQboBIPciTvkkmSc8CJWxYzPF3Qh3EozaKNEGzxUlRuQMUZD2OJew== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, 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 Mon, Jun 23, 2025 at 09:39:41AM +0000, Shivank Garg wrote: > From: "Matthew Wilcox (Oracle)" > > Add a mempolicy parameter to filemap_alloc_folio() to enable NUMA-aware > page cache allocations. This will be used by upcoming changes to > support NUMA policies in guest-memfd, where guest_memory needs to be > allocated according to NUMA policy specified by the VMM. > > All existing users pass NULL maintaining current behavior. I don't want to see this as a separate series. I want to see it as part of the series that introduces the user. Andrew, please drop these two patches from your tree.