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Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Borislav Petkov , "Edgecombe, Rick P" , Oleg Vasilev , Arthur Petukhovsky , Stefan Radig , Misha Sakhnov References: <22cd0fa8-d14d-4d37-a6a1-5e6827d6182b@intel.com> <2080ec7c-8dc8-4f03-bd96-78ba47e55a97@neon.tech> <7c204a40-532d-4afe-94f9-e685fb9be454@intel.com> From: Dave Hansen Content-Language: en-US Autocrypt: addr=dave.hansen@intel.com; keydata= xsFNBE6HMP0BEADIMA3XYkQfF3dwHlj58Yjsc4E5y5G67cfbt8dvaUq2fx1lR0K9h1bOI6fC oAiUXvGAOxPDsB/P6UEOISPpLl5IuYsSwAeZGkdQ5g6m1xq7AlDJQZddhr/1DC/nMVa/2BoY 2UnKuZuSBu7lgOE193+7Uks3416N2hTkyKUSNkduyoZ9F5twiBhxPJwPtn/wnch6n5RsoXsb ygOEDxLEsSk/7eyFycjE+btUtAWZtx+HseyaGfqkZK0Z9bT1lsaHecmB203xShwCPT49Blxz VOab8668QpaEOdLGhtvrVYVK7x4skyT3nGWcgDCl5/Vp3TWA4K+IofwvXzX2ON/Mj7aQwf5W iC+3nWC7q0uxKwwsddJ0Nu+dpA/UORQWa1NiAftEoSpk5+nUUi0WE+5DRm0H+TXKBWMGNCFn c6+EKg5zQaa8KqymHcOrSXNPmzJuXvDQ8uj2J8XuzCZfK4uy1+YdIr0yyEMI7mdh4KX50LO1 pmowEqDh7dLShTOif/7UtQYrzYq9cPnjU2ZW4qd5Qz2joSGTG9eCXLz5PRe5SqHxv6ljk8mb ApNuY7bOXO/A7T2j5RwXIlcmssqIjBcxsRRoIbpCwWWGjkYjzYCjgsNFL6rt4OL11OUF37wL QcTl7fbCGv53KfKPdYD5hcbguLKi/aCccJK18ZwNjFhqr4MliQARAQABzUVEYXZpZCBDaHJp c3RvcGhlciBIYW5zZW4gKEludGVsIFdvcmsgQWRkcmVzcykgPGRhdmUuaGFuc2VuQGludGVs LmNvbT7CwXgEEwECACIFAlQ+9J0CGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEGg1 lTBwyZKwLZUP/0dnbhDc229u2u6WtK1s1cSd9WsflGXGagkR6liJ4um3XCfYWDHvIdkHYC1t MNcVHFBwmQkawxsYvgO8kXT3SaFZe4ISfB4K4CL2qp4JO+nJdlFUbZI7cz/Td9z8nHjMcWYF IQuTsWOLs/LBMTs+ANumibtw6UkiGVD3dfHJAOPNApjVr+M0P/lVmTeP8w0uVcd2syiaU5jB aht9CYATn+ytFGWZnBEEQFnqcibIaOrmoBLu2b3fKJEd8Jp7NHDSIdrvrMjYynmc6sZKUqH2 I1qOevaa8jUg7wlLJAWGfIqnu85kkqrVOkbNbk4TPub7VOqA6qG5GCNEIv6ZY7HLYd/vAkVY E8Plzq/NwLAuOWxvGrOl7OPuwVeR4hBDfcrNb990MFPpjGgACzAZyjdmYoMu8j3/MAEW4P0z F5+EYJAOZ+z212y1pchNNauehORXgjrNKsZwxwKpPY9qb84E3O9KYpwfATsqOoQ6tTgr+1BR CCwP712H+E9U5HJ0iibN/CDZFVPL1bRerHziuwuQuvE0qWg0+0SChFe9oq0KAwEkVs6ZDMB2 P16MieEEQ6StQRlvy2YBv80L1TMl3T90Bo1UUn6ARXEpcbFE0/aORH/jEXcRteb+vuik5UGY 5TsyLYdPur3TXm7XDBdmmyQVJjnJKYK9AQxj95KlXLVO38lczsFNBFRjzmoBEACyAxbvUEhd GDGNg0JhDdezyTdN8C9BFsdxyTLnSH31NRiyp1QtuxvcqGZjb2trDVuCbIzRrgMZLVgo3upr MIOx1CXEgmn23Zhh0EpdVHM8IKx9Z7V0r+rrpRWFE8/wQZngKYVi49PGoZj50ZEifEJ5qn/H Nsp2+Y+bTUjDdgWMATg9DiFMyv8fvoqgNsNyrrZTnSgoLzdxr89FGHZCoSoAK8gfgFHuO54B lI8QOfPDG9WDPJ66HCodjTlBEr/Cwq6GruxS5i2Y33YVqxvFvDa1tUtl+iJ2SWKS9kCai2DR 3BwVONJEYSDQaven/EHMlY1q8Vln3lGPsS11vSUK3QcNJjmrgYxH5KsVsf6PNRj9mp8Z1kIG qjRx08+nnyStWC0gZH6NrYyS9rpqH3j+hA2WcI7De51L4Rv9pFwzp161mvtc6eC/GxaiUGuH BNAVP0PY0fqvIC68p3rLIAW3f97uv4ce2RSQ7LbsPsimOeCo/5vgS6YQsj83E+AipPr09Caj 0hloj+hFoqiticNpmsxdWKoOsV0PftcQvBCCYuhKbZV9s5hjt9qn8CE86A5g5KqDf83Fxqm/ vXKgHNFHE5zgXGZnrmaf6resQzbvJHO0Fb0CcIohzrpPaL3YepcLDoCCgElGMGQjdCcSQ+Ci FCRl0Bvyj1YZUql+ZkptgGjikQARAQABwsFfBBgBAgAJBQJUY85qAhsMAAoJEGg1lTBwyZKw l4IQAIKHs/9po4spZDFyfDjunimEhVHqlUt7ggR1Hsl/tkvTSze8pI1P6dGp2XW6AnH1iayn yRcoyT0ZJ+Zmm4xAH1zqKjWplzqdb/dO28qk0bPso8+1oPO8oDhLm1+tY+cOvufXkBTm+whm +AyNTjaCRt6aSMnA/QHVGSJ8grrTJCoACVNhnXg/R0g90g8iV8Q+IBZyDkG0tBThaDdw1B2l asInUTeb9EiVfL/Zjdg5VWiF9LL7iS+9hTeVdR09vThQ/DhVbCNxVk+DtyBHsjOKifrVsYep WpRGBIAu3bK8eXtyvrw1igWTNs2wazJ71+0z2jMzbclKAyRHKU9JdN6Hkkgr2nPb561yjcB8 sIq1pFXKyO+nKy6SZYxOvHxCcjk2fkw6UmPU6/j/nQlj2lfOAgNVKuDLothIxzi8pndB8Jju KktE5HJqUUMXePkAYIxEQ0mMc8Po7tuXdejgPMwgP7x65xtfEqI0RuzbUioFltsp1jUaRwQZ MTsCeQDdjpgHsj+P2ZDeEKCbma4m6Ez/YWs4+zDm1X8uZDkZcfQlD9NldbKDJEXLIjYWo1PH hYepSffIWPyvBMBTW2W5FRjJ4vLRrJSUoEfJuPQ3vW9Y73foyo/qFoURHO48AinGPZ7PC7TF vUaNOTjKedrqHkaOcqB185ahG2had0xnFsDPlx5y In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 3AF72100009 X-Stat-Signature: difqdbe8gnbam67k4awka919b9bi6gay X-Rspam-User: X-HE-Tag: 1749670583-451566 X-HE-Meta: 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 vg68lZPX lRnXPgKKcxwADXjMX+rZUcKCdEtKOeltLq0yuPFfukhAJN9cSTOBOM8aJjp4vhvS1NKh6oZTZozYjpdUZRAZtOm+F/q8yoUcbKlX63GlQn3eJD9GRkcFKfUW3V/QMKPZTcwRnoQPekMEXNBCwj4W8HHCHIUcaMHWlF0A5HM312VesMddhxyt8N7h0LmbdysTzP6tjBVWNGX9EWYuQ3XNeGesfi7AXpolsCJZE5HXdi9kfMs2d4oGiNfN0ZloENGeCKdSe 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 6/11/25 12:26, Em Sharnoff wrote: > 2. Change the phys_*_init() functions to return int, and directly update > max_pfn_mapped from within them. They already call update_page_count(), > maybe this is similar? That seems like the most straightforward. Each time they update a mapping, they call a helper which bumps up 'max_pfn_mapped'.