On Wed, 2024-06-26 at 15:53 +0200, Benjamin Berg wrote: > > +choice > + prompt "Pagetable levels" > + default 2_LEVEL_PGTABLES if !64BIT > + default 4_LEVEL_PGTABLES if 64BIT > + > + config 2_LEVEL_PGTABLES > + bool "Two-level pagetables" if !64BIT > + depends on !64BIT > + help > + Two-level page table for 32-bit architectures. > + > + config 3_LEVEL_PGTABLES > + bool "Three-level pagetables" if 64BIT > + help > + Three-level pagetables will let UML have more than 4G of > physical > + memory. All the memory that can't be mapped directly will be > treated > + as high memory. > + > + However, this it experimental on 32-bit architectures, so if > unsure say > + N (on x86-64 it's automatically enabled, instead, as it's > safe there).
You copied this but it's not actually true any more - three-level is never default now. johannes
