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Peter Anvin" , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Michal Simek , David Hildenbrand , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Nishanth Menon , Lucas Stach References: <20251219161559.556737-1-arnd@kernel.org> <20251219161559.556737-2-arnd@kernel.org> 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: <20251219161559.556737-2-arnd@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: B5B6CC0007 X-Rspamd-Server: rspam03 X-Stat-Signature: 8khfgb1tqr9uo1m9ipam8qsyos6iogbs X-Rspam-User: X-HE-Tag: 1766167368-937677 X-HE-Meta: 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 hxok3Rlv nKD4SyEZVCoqusYs4NLVGHtOvhPmPUNN5IPgnzI2x3/bm1lD6bfAeQwNKJlhoKJ3oGwyVQJWrv23svY/SxeCK02B+LR4vzmqI61de1Etya5aRlttI3+PlWd1jCg5L5H7vMDuQnwz95/092BLxx8Woc3VCjFq21FJct3gbze13Iu77VOzaq4N27QtuBQH4eALObMUH/xXGC1eKxyt0haIn5oQDwRGDSUx8881u 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 12/19/25 08:15, Arnd Bergmann wrote: > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -1416,7 +1416,9 @@ config HIGHMEM4G > > choice > prompt "Memory split" if EXPERT > - default VMSPLIT_3G > + default VMSPLIT_2G_OPT if HIGHMEM && !X86_PAE > + default VMSPLIT_2G if X86_PAE > + default VMSPLIT_3G_OPT > depends on X86_32 For simplicity, I think this can just be: - default VMSPLIT_3G + default VMSPLIT_2G I doubt the 2G vs. 2G_OPT matters in very many cases. If it does, folks can just set it in their config manually. But, in the end, I don't this this matters all that much. If you think having x86 be consistent with ARM, for example, is more important and ARM really wants this complexity, I can live with it. Either way: Acked-by: Dave Hansen