mm: Introduce new type vm_fault_t

We have introduce a new return type vm_fault_t for
fault, page_mkwrite and pfn_mkwrite handlers. Update
the document for the same

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index 37bf0a9..f64bbec 100644 (file)
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -532,9 +532,9 @@ More details about quota locking can be found in fs/dquot.c.
 prototypes:
        void (*open)(struct vm_area_struct*);
        void (*close)(struct vm_area_struct*);
-       int (*fault)(struct vm_area_struct*, struct vm_fault *);
-       int (*page_mkwrite)(struct vm_area_struct *, struct vm_fault *);
-       int (*pfn_mkwrite)(struct vm_area_struct *, struct vm_fault *);
+       vm_fault_t (*fault)(struct vm_area_struct*, struct vm_fault *);
+       vm_fault_t (*page_mkwrite)(struct vm_area_struct *, struct vm_fault *);
+       vm_fault_t (*pfn_mkwrite)(struct vm_area_struct *, struct vm_fault *);
        int (*access)(struct vm_area_struct *, unsigned long, void*, int, int);
 
 locking rules: