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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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boot | ||
configs | ||
errata | ||
include | ||
kernel | ||
kvm | ||
lib | ||
mm | ||
net | ||
Kbuild | ||
Kconfig | ||
Kconfig.debug | ||
Kconfig.erratas | ||
Kconfig.socs | ||
Makefile |