[PATCH] Use loff_t for size in struct proc_dir_entry

Change proc_dir_entry->size to be loff_t to represent files like
/proc/vmcore for 32bit systems with more than 4G memory.

Needed for seeing correct size for /proc/vmcore for 32-bit systems with >
4G RAM.
Signed-off-by: Maneesh Soni <maneesh@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/linux/proc_fs.h

@@ -56,7 +56,7 @@ struct proc_dir_entry {
 	nlink_t nlink;
 	uid_t uid;
 	gid_t gid;
-	unsigned long size;
+	loff_t size;
 	struct inode_operations * proc_iops;
 	struct file_operations * proc_fops;
 	get_info_t *get_info;