pmd_mkinvalid should not clear dirty flag,otherwise the pmd dirty flag,it's ok to just clear _PAGE_VALID. Signed-off-by: Hongchen Zhang <zhanghongchen@xxxxxxxxxxx> --- arch/mips/include/asm/pgtable.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 374c632..d30a186 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -698,7 +698,7 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot) static inline pmd_t pmd_mkinvalid(pmd_t pmd) { - pmd_val(pmd) &= ~(_PAGE_PRESENT | _PAGE_VALID | _PAGE_DIRTY); + pmd_val(pmd) &= ~_PAGE_VALID; return pmd; } -- 1.8.3.1