ClearPagePrivate2  123 fs/btrfs/inode.c 		ClearPagePrivate2(page);
ClearPagePrivate2 3349 fs/btrfs/inode.c 	ClearPagePrivate2(page);
ClearPagePrivate2   38 include/linux/fscache.h #define ClearPageFsCache(page)		ClearPagePrivate2((page))