knfsd: add file to export stats about nfsd pools

[firefly-linux-kernel-4.4.55.git] / include / linux / hugetlb.h

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index e1c8afc002c0c6957f4e752f09b35dd72b67aea0..03be7f29ca0153e8c1da31650b14ce3d95f59d80 100644 (file)
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -33,7 +33,8 @@ unsigned long hugetlb_total_pages(void);
 int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
                        unsigned long address, int write_access);
 int hugetlb_reserve_pages(struct inode *inode, long from, long to,
-                                               struct vm_area_struct *vma);
+                                               struct vm_area_struct *vma,
+                                               int acctflags);
 void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed);
 
 extern unsigned long hugepages_treat_as_movable;
@@ -138,7 +139,7 @@ static inline struct hugetlbfs_sb_info *HUGETLBFS_SB(struct super_block *sb)
 
 extern const struct file_operations hugetlbfs_file_operations;
 extern struct vm_operations_struct hugetlb_vm_ops;
-struct file *hugetlb_file_setup(const char *name, size_t);
+struct file *hugetlb_file_setup(const char *name, size_t, int);
 int hugetlb_get_quota(struct address_space *mapping, long delta);
 void hugetlb_put_quota(struct address_space *mapping, long delta);
 
@@ -158,9 +159,9 @@ static inline void set_file_hugepages(struct file *file)
 }
 #else /* !CONFIG_HUGETLBFS */
 
-#define is_file_hugepages(file)                0
-#define set_file_hugepages(file)       BUG()
-#define hugetlb_file_setup(name,size)  ERR_PTR(-ENOSYS)
+#define is_file_hugepages(file)                        0
+#define set_file_hugepages(file)               BUG()
+#define hugetlb_file_setup(name,size,acctflag) ERR_PTR(-ENOSYS)
 
 #endif /* !CONFIG_HUGETLBFS */
 
@@ -233,6 +234,10 @@ static inline unsigned long huge_page_size(struct hstate *h)
        return (unsigned long)PAGE_SIZE << h->order;
 }
 
+extern unsigned long vma_kernel_pagesize(struct vm_area_struct *vma);
+
+extern unsigned long vma_mmu_pagesize(struct vm_area_struct *vma);
+
 static inline unsigned long huge_page_mask(struct hstate *h)
 {
        return h->mask;
@@ -273,6 +278,8 @@ struct hstate {};
 #define hstate_inode(i) NULL
 #define huge_page_size(h) PAGE_SIZE
 #define huge_page_mask(h) PAGE_MASK
+#define vma_kernel_pagesize(v) PAGE_SIZE
+#define vma_mmu_pagesize(v) PAGE_SIZE
 #define huge_page_order(h) 0
 #define huge_page_shift(h) PAGE_SHIFT
 static inline unsigned int pages_per_huge_page(struct hstate *h)