arch/x86/include/asm/hugetlb.h

   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 int huge_ptep_set_access_flags(struct vm_area_struct *vma,
  17                                              unsigned long addr, pte_t *ptep,
  18                                              pte_t pte, int dirty)
  19 {
  20         return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
  21 }
  22
  23 static inline pte_t huge_ptep_get(pte_t *ptep)
  24 {
  25         return *ptep;
  26 }
  27
  28 static inline void arch_clear_hugepage_flags(struct page *page)
  29 {
  30 }
  31
  32 #ifdef CONFIG_ARCH_HAS_GIGANTIC_PAGE
  33 static inline bool gigantic_page_supported(void) { return true; }
  34 #endif
  35
  36 #endif /* _ASM_X86_HUGETLB_H */