#ifdef CONFIG_HUGETLB_PAGE
#include <linux/mempolicy.h>
+#include <linux/shm.h>
#include <asm/tlbflush.h>
struct ctl_table;
pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr);
pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr);
+int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep);
struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address,
int write);
struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
static inline int is_file_hugepages(struct file *file)
{
- return file->f_op == &hugetlbfs_file_operations;
+ if (file->f_op == &hugetlbfs_file_operations)
+ return 1;
+ if (is_file_shm_hugepages(file))
+ return 1;
+
+ return 0;
}
static inline void set_file_hugepages(struct file *file)
#endif /* !CONFIG_HUGETLBFS */
+#ifdef HAVE_ARCH_HUGETLB_UNMAPPED_AREA
+unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
+ unsigned long len, unsigned long pgoff,
+ unsigned long flags);
+#endif /* HAVE_ARCH_HUGETLB_UNMAPPED_AREA */
+
#endif /* _LINUX_HUGETLB_H */