diff options
Diffstat (limited to 'include/linux/hugetlb.h')
-rw-r--r-- | include/linux/hugetlb.h | 140 |
1 files changed, 116 insertions, 24 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 53fc34f930d0..31d4920994b9 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -105,8 +105,7 @@ void move_hugetlb_state(struct page *oldpage, struct page *newpage, int reason); void free_huge_page(struct page *page); void hugetlb_fix_reserve_counts(struct inode *inode); extern struct mutex *hugetlb_fault_mutex_table; -u32 hugetlb_fault_mutex_hash(struct hstate *h, struct address_space *mapping, - pgoff_t idx, unsigned long address); +u32 hugetlb_fault_mutex_hash(struct address_space *mapping, pgoff_t idx); pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud); @@ -164,38 +163,130 @@ static inline void adjust_range_if_pmd_sharing_possible( { } -#define follow_hugetlb_page(m,v,p,vs,a,b,i,w,n) ({ BUG(); 0; }) -#define follow_huge_addr(mm, addr, write) ERR_PTR(-EINVAL) -#define copy_hugetlb_page_range(src, dst, vma) ({ BUG(); 0; }) +static inline long follow_hugetlb_page(struct mm_struct *mm, + struct vm_area_struct *vma, struct page **pages, + struct vm_area_struct **vmas, unsigned long *position, + unsigned long *nr_pages, long i, unsigned int flags, + int *nonblocking) +{ + BUG(); + return 0; +} + +static inline struct page *follow_huge_addr(struct mm_struct *mm, + unsigned long address, int write) +{ + return ERR_PTR(-EINVAL); +} + +static inline int copy_hugetlb_page_range(struct mm_struct *dst, + struct mm_struct *src, struct vm_area_struct *vma) +{ + BUG(); + return 0; +} + static inline void hugetlb_report_meminfo(struct seq_file *m) { } -#define hugetlb_report_node_meminfo(n, buf) 0 + +static inline int hugetlb_report_node_meminfo(int nid, char *buf) +{ + return 0; +} + static inline void hugetlb_show_meminfo(void) { } -#define follow_huge_pd(vma, addr, hpd, flags, pdshift) NULL -#define follow_huge_pmd(mm, addr, pmd, flags) NULL -#define follow_huge_pud(mm, addr, pud, flags) NULL -#define follow_huge_pgd(mm, addr, pgd, flags) NULL -#define prepare_hugepage_range(file, addr, len) (-EINVAL) -#define pmd_huge(x) 0 -#define pud_huge(x) 0 -#define is_hugepage_only_range(mm, addr, len) 0 -#define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) ({BUG(); 0; }) -#define hugetlb_mcopy_atomic_pte(dst_mm, dst_pte, dst_vma, dst_addr, \ - src_addr, pagep) ({ BUG(); 0; }) -#define huge_pte_offset(mm, address, sz) 0 + +static inline struct page *follow_huge_pd(struct vm_area_struct *vma, + unsigned long address, hugepd_t hpd, int flags, + int pdshift) +{ + return NULL; +} + +static inline struct page *follow_huge_pmd(struct mm_struct *mm, + unsigned long address, pmd_t *pmd, int flags) +{ + return NULL; +} + +static inline struct page *follow_huge_pud(struct mm_struct *mm, + unsigned long address, pud_t *pud, int flags) +{ + return NULL; +} + +static inline struct page *follow_huge_pgd(struct mm_struct *mm, + unsigned long address, pgd_t *pgd, int flags) +{ + return NULL; +} + +static inline int prepare_hugepage_range(struct file *file, + unsigned long addr, unsigned long len) +{ + return -EINVAL; +} + +static inline int pmd_huge(pmd_t pmd) +{ + return 0; +} + +static inline int pud_huge(pud_t pud) +{ + return 0; +} + +static inline int is_hugepage_only_range(struct mm_struct *mm, + unsigned long addr, unsigned long len) +{ + return 0; +} + +static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb, + unsigned long addr, unsigned long end, + unsigned long floor, unsigned long ceiling) +{ + BUG(); +} + +static inline int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm, + pte_t *dst_pte, + struct vm_area_struct *dst_vma, + unsigned long dst_addr, + unsigned long src_addr, + struct page **pagep) +{ + BUG(); + return 0; +} + +static inline pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, + unsigned long sz) +{ + return NULL; +} static inline bool isolate_huge_page(struct page *page, struct list_head *list) { return false; } -#define putback_active_hugepage(p) do {} while (0) -#define move_hugetlb_state(old, new, reason) do {} while (0) -static inline unsigned long hugetlb_change_protection(struct vm_area_struct *vma, - unsigned long address, unsigned long end, pgprot_t newprot) +static inline void putback_active_hugepage(struct page *page) +{ +} + +static inline void move_hugetlb_state(struct page *oldpage, + struct page *newpage, int reason) +{ +} + +static inline unsigned long hugetlb_change_protection( + struct vm_area_struct *vma, unsigned long address, + unsigned long end, pgprot_t newprot) { return 0; } @@ -213,9 +304,10 @@ static inline void __unmap_hugepage_range(struct mmu_gather *tlb, { BUG(); } + static inline vm_fault_t hugetlb_fault(struct mm_struct *mm, - struct vm_area_struct *vma, unsigned long address, - unsigned int flags) + struct vm_area_struct *vma, unsigned long address, + unsigned int flags) { BUG(); return 0; |