Messages in this thread Patch in this message | | | From | Hongchen Zhang <> | Subject | [PATCH] LoongArch: add p?d_leaf() definitions | Date | Tue, 5 Sep 2023 14:49:55 +0800 |
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When I do LTP test, LTP test case ksm06 caused panic at break_ksm_pmd_entry -> pmd_leaf (Huge page table but False) -> pte_present (panic)
The reason is pmd_leaf is not defined, So like commit 501b81046701 ("mips: mm: add p?d_leaf() definitions") add p?d_leaf() definition for LoongArch.
Signed-off-by: Hongchen Zhang <zhanghongchen@loongson.cn> --- arch/loongarch/include/asm/pgtable.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h index 370c6568ceb8..ea54653b7aab 100644 --- a/arch/loongarch/include/asm/pgtable.h +++ b/arch/loongarch/include/asm/pgtable.h @@ -243,6 +243,9 @@ static inline void pmd_clear(pmd_t *pmdp) #define pmd_phys(pmd) PHYSADDR(pmd_val(pmd)) +#define pmd_leaf(pmd) ((pmd_val(pmd) & _PAGE_HUGE) != 0) +#define pud_leaf(pud) ((pud_val(pud) & _PAGE_HUGE) != 0) + #ifndef CONFIG_TRANSPARENT_HUGEPAGE #define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT)) #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ -- 2.33.0
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