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authorChuanhua Han <hanchuanhua@oppo.com>2022-04-01 05:43:20 +0300
committerPalmer Dabbelt <palmer@rivosinc.com>2022-04-21 03:36:58 +0300
commit7da9ca3f5b1e435eddcf539d60c0975d98dfa4b9 (patch)
tree971eac979a6697cbc5f0d0b3a492382e34710a12 /arch/riscv/boot
parent3123109284176b1532874591f7c81f3837bbdc17 (diff)
downloadlinux-7da9ca3f5b1e435eddcf539d60c0975d98dfa4b9.tar.xz
riscv: mm: Remove the copy operation of pmd
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>
Diffstat (limited to 'arch/riscv/boot')
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