mm, hugetlbfs: introduce ->pagesize() to vm_operations_struct

[linux] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 2e2be52..7c06581 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -390,6 +390,7 @@ struct vm_operations_struct {
        int (*huge_fault)(struct vm_fault *vmf, enum page_entry_size pe_size);
        void (*map_pages)(struct vm_fault *vmf,
                        pgoff_t start_pgoff, pgoff_t end_pgoff);
+       unsigned long (*pagesize)(struct vm_area_struct * area);
 
        /* notification that a previously read-only page is about to become
         * writable, if an error is returned it will cause a SIGBUS */