X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;ds=sidebyside;f=include%2Flinux%2Fhugetlb.h;h=b4570b62ab8557d9748f7887b878bb341b87c553;hb=681e14730c73cc2c71af282c001de6bc71c22f00;hp=ace64e57e17f4291a813c7a9f61d1779fb560d43;hpb=d0cac32fa551b0e7dc1f014607eabb93b0ebbbe8;p=powerpc.git

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index ace64e57e1..b4570b62ab 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -4,6 +4,7 @@
 #ifdef CONFIG_HUGETLB_PAGE
 
 #include <linux/mempolicy.h>
+#include <linux/shm.h>
 #include <asm/tlbflush.h>
 
 struct ctl_table;
@@ -35,6 +36,7 @@ extern int sysctl_hugetlb_shm_group;
 
 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,
@@ -167,7 +169,12 @@ void hugetlb_put_quota(struct address_space *mapping);
 
 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)
@@ -182,4 +189,10 @@ 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 */