A page fault caused by reserved bit set -


as know, page fault exception caused when process seeking access area of virtual memory not mapped physical memory, when write attempted on read-only page, when accessing pte or pde reserved bit.

regards reserved bit case, know how page table built process , kernel page table? when building page table of process, how can reserved bit of pte or pde set? is set mmu or os?.

thank you,

cpu can understand virtual addresses regardless of whether kernel page or user page. mmu uses pte convert virtual address physical address.

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