#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 *);
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);
extern unsigned long max_huge_pages;
extern const unsigned long hugetlb_zero, hugetlb_infinity;
+extern int sysctl_hugetlb_shm_group;
static inline void
mark_mm_hugetlb(struct mm_struct *mm, struct vm_area_struct *vma)
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;