#ifdef CONFIG_HUGETLB_PAGE
+#include <linux/mempolicy.h>
+
struct ctl_table;
static inline int is_vm_hugetlb_page(struct vm_area_struct *vma)
return vma->vm_flags & VM_HUGETLB;
}
-int hugetlb_sysctl_handler(struct ctl_table *, int, struct file *, void *, size_t *);
+int hugetlb_sysctl_handler(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *);
int copy_hugetlb_page_range(struct mm_struct *, struct mm_struct *, struct vm_area_struct *);
int follow_hugetlb_page(struct mm_struct *, struct vm_area_struct *, struct page **, struct vm_area_struct **, unsigned long *, int *, int);
void zap_hugepage_range(struct vm_area_struct *, unsigned long, unsigned long);
void unmap_hugepage_range(struct vm_area_struct *, unsigned long, unsigned long);
int hugetlb_prefault(struct address_space *, struct vm_area_struct *);
int hugetlb_report_meminfo(char *);
+int hugetlb_report_node_meminfo(int, char *);
int is_hugepage_mem_enough(size_t);
unsigned long hugetlb_total_pages(void);
struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address,
extern unsigned long max_huge_pages;
extern const unsigned long hugetlb_zero, hugetlb_infinity;
-
-static inline void
-mark_mm_hugetlb(struct mm_struct *mm, struct vm_area_struct *vma)
-{
- if (is_vm_hugetlb_page(vma))
- mm->used_hugetlb = 1;
-}
+extern int sysctl_hugetlb_shm_group;
#ifndef ARCH_HAS_HUGEPAGE_ONLY_RANGE
#define is_hugepage_only_range(addr, len) 0
#define unmap_hugepage_range(vma, start, end) BUG()
#define is_hugepage_mem_enough(size) 0
#define hugetlb_report_meminfo(buf) 0
-#define mark_mm_hugetlb(mm, vma) do { } while (0)
-#define follow_huge_pmd(mm, addr, pmd, write) 0
+#define hugetlb_report_node_meminfo(n, buf) 0
+#define follow_huge_pmd(mm, addr, pmd, write) NULL
#define is_aligned_hugepage_range(addr, len) 0
#define prepare_hugepage_range(addr, len) (-EINVAL)
#define pmd_huge(x) 0
spinlock_t stat_lock;
};
+
+struct hugetlbfs_inode_info {
+ struct shared_policy policy;
+ struct inode vfs_inode;
+};
+
+static inline struct hugetlbfs_inode_info *HUGETLBFS_I(struct inode *inode)
+{
+ return container_of(inode, struct hugetlbfs_inode_info, vfs_inode);
+}
+
static inline struct hugetlbfs_sb_info *HUGETLBFS_SB(struct super_block *sb)
{
return sb->s_fs_info;