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Thu, 28 Dec 2023 12:37:57 -0800 (PST) Date: Thu, 28 Dec 2023 12:37:57 -0800 (PST) From: David Rientjes To: "Matthew Wilcox (Oracle)" cc: Andrew Morton , linux-mm@kvack.org, Johannes Weiner , Vlastimil Babka , Hyeonggon Yoo <42.hyeyoo@gmail.com> Subject: Re: [PATCH v2 4/6] slub: Use a folio in __kmalloc_large_node In-Reply-To: <20231228085748.1083901-5-willy@infradead.org> Message-ID: <0f0438c6-3d84-86f6-177a-db5722e2c124@google.com> References: <20231228085748.1083901-1-willy@infradead.org> <20231228085748.1083901-5-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Rspamd-Queue-Id: 4870580012 X-Rspam-User: X-Stat-Signature: yt5eajkwreipzfcnkdnekokir169oykw X-Rspamd-Server: rspam03 X-HE-Tag: 1703795881-141270 X-HE-Meta: U2FsdGVkX19wi47fY+EaQUX26tiAU+Dzqf7H1+OKcVVAiPckh5O50wlmsQwN07F40oBOo0G6gL+E5/sE8GIzxo1skdOvM4MYtXFWW7a6NLQfOZPdl/rDfQmsmufYA0wUu4PwaDzThKG7NBrv80pJsIw0YQqWsAR4N/0LO/pxLJBZbq4UH2TWuw/d9ycT5CBImjslFchPbMsPioK0GCbMBaJgDeiudA4zLjyUAMBeJyrN64PoXlawQ5GyX0/q7YP0VkjcwUC+l8T3XFOxpwbt1glswt+fscDFvHcNWZqZRxm4yMp4r1EMmPNQyUIx45VWrH1MNXbmvnba1/TTuIdG6XrT5pzav2TqpqcI5ui4mMA1ErA0z9+11OkDj0LAs2XBghyafmRX01FNwrUY6EtBV3Ht9cDrShqN/F39+V9HuXSOprcaBXFMVsCQqUs7omyjstwks0DzETkhu/BJ0OcUQW+w+mfyTvZyEIxH2J3HRhztspl0RT8k5a9GvX0FHNouAC5P1eFXOfE3btF95IHCaF7Sn99vE61yxEwJg3pk6ofnUq/oKf1i0fapHCYDdlqnsqOo6yRfTy8cCc66vwThmIzBC6qZfDcRrjmj8fIF+vCXdM9jch2C6tlDmCKETsE0BRycEQramoNETuuv8d9rLSNx1cFI9tEoHVLVV3g4AfJF2W2KdK23tf2Gai2qsVQ0qYMF+wTom6LDj5b8+swPicwq7BAa0Baz5FzbSubjVe1t6vbbVd7ntizEdXbGGvJKnDhQVkWcIoTinzt8J5dtYozoRAC/RLSlniyFxmTo3LoT4seTjh4r37t83IUaO6XJf83D5X7/BY92jqodVkcOlVOLPooJTJgVDZ/OFtxMb+43f6Kh86P+kOglT/2+gZ0Ejb9OwXF4AIHrp3SWUZx+joDvyovvj3OsQEq9Teb84ZzvqSZEkVVx8psHK+/iN406HnaMLJCcosMhm0JWxw7 8ZqPhuKc 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 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 Thu, 28 Dec 2023, Matthew Wilcox (Oracle) wrote: > Mirror the code in free_large_kmalloc() and alloc_pages_node() > and use a folio directly. Avoid the use of folio_alloc() as > that will set up an rmappable folio which we do not want here. > > Signed-off-by: Matthew Wilcox (Oracle) Acked-by: David Rientjes