diff --git a/mm/mprotect.c b/mm/mprotect.c index 8665a23f38d3..cec2a1eed539 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -699,14 +699,20 @@ static int prot_none_pte_entry(pte_t *pte, unsigned long addr, 0 : -EACCES; } +#ifdef CONFIG_HUGETLB_PAGE static int prot_none_hugetlb_entry(pte_t *pte, unsigned long hmask, unsigned long addr, unsigned long next, struct mm_walk *walk) { - return pfn_modify_allowed(pte_pfn(ptep_get(pte)), - *(pgprot_t *)(walk->private)) ? - 0 : -EACCES; + const pte_t entry = huge_ptep_get(walk->mm, addr, pte); + + if (pfn_modify_allowed(pte_pfn(entry), *(pgprot_t *)(walk->private))) + return 0; + return -EACCES; } +#else +#define prot_none_hugetlb_entry NULL +#endif static const struct mm_walk_ops prot_none_walk_ops = { .pte_entry = prot_none_pte_entry,