1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_X86_HUGETLB_H 3 #define _ASM_X86_HUGETLB_H 4 5 #include <asm/page.h> 6 #include <asm-generic/hugetlb.h> 7 8 #define hugepages_supported() boot_cpu_has(X86_FEATURE_PSE) 9 10 static inline int is_hugepage_only_range(struct mm_struct *mm, 11 unsigned long addr, 12 unsigned long len) { 13 return 0; 14 } 15 16 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, 17 unsigned long addr, pte_t *ptep) 18 { 19 ptep_set_wrprotect(mm, addr, ptep); 20 } 21 22 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, 23 unsigned long addr, pte_t *ptep, 24 pte_t pte, int dirty) 25 { 26 return ptep_set_access_flags(vma, addr, ptep, pte, dirty); 27 } 28 29 static inline pte_t huge_ptep_get(pte_t *ptep) 30 { 31 return *ptep; 32 } 33 34 static inline void arch_clear_hugepage_flags(struct page *page) 35 { 36 } 37 38 #ifdef CONFIG_ARCH_HAS_GIGANTIC_PAGE 39 static inline bool gigantic_page_supported(void) { return true; } 40 #endif 41 42 #endif /* _ASM_X86_HUGETLB_H */ 43