riscv: mm: Remove the copy operation of pmd

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Since all processes share the kernel address space,
we only need to copy pgd in case of a vmalloc page
fault exception, the other levels of page tables are
shared, so the operation of copying pmd is unnecessary.

Signed-off-by: Chuanhua Han <hanchuanhua@oppo.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

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Chuanhua Han 2022-03-31 19:43:20 -07:00 • committed by Palmer Dabbelt

parent 3123109284

commit 7da9ca3f5b

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arch/riscv/mm/fault.c

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