Extern or forward variable declaration at include/linux/mpage.h, line 21 References: fs/block_dev.c, line 177 fs/buffer.c, line 1645 fs/buffer.c, line 2660 fs/buffer.c, line 2860 fs/ext2/inode.c, line 715 fs/ext2/inode.c, line 764 fs/ext2/inode.c, line 786 fs/ext2/inode.c, line 1429 fs/ext3/inode.c, line 1490 fs/ext3/inode.c, line 1556 fs/ext3/inode.c, line 1589 fs/ext4/inode.c, line 1625 fs/ext4/inode.c, line 2013 fs/ext4/inode.c, line 2115 fs/ext4/inode.c, line 2267 fs/ext4/inode.c, line 2372 fs/ext4/inode.c, line 2818 fs/ext4/inode.c, line 2832 fs/ext4/inode.c, line 2867 fs/ext4/inode.c, line 2917 fs/fat/inode.c, line 123 fs/fat/inode.c, line 129 fs/gfs2/ops_address.c, line 98 fs/gfs2/ops_address.c, line 133 fs/gfs2/ops_address.c, line 155 fs/gfs2/ops_address.c, line 184 fs/gfs2/ops_address.c, line 209 fs/gfs2/ops_address.c, line 249 fs/gfs2/ops_address.c, line 266 fs/gfs2/ops_address.c, line 343 fs/gfs2/ops_address.c, line 412 fs/hfs/inode.c, line 28 fs/hfs/inode.c, line 117 fs/hfsplus/inode.c, line 25 fs/hfsplus/inode.c, line 114 fs/jfs/inode.c, line 268 fs/jfs/inode.c, line 274 fs/mpage.c, line 440 fs/mpage.c, line 672 fs/mpage.c, line 695 fs/ocfs2/aops.c, line 402 fs/omfs/file.c, line 315 fs/omfs/file.c, line 321 fs/reiserfs/inode.c, line 2317 fs/reiserfs/inode.c, line 2532 fs/xfs/linux-2.6/xfs_aops.c, line 746 fs/xfs/linux-2.6/xfs_aops.c, line 879 fs/xfs/linux-2.6/xfs_aops.c, line 929 fs/xfs/linux-2.6/xfs_aops.c, line 1186 fs/xfs/linux-2.6/xfs_aops.c, line 1253 fs/xfs/linux-2.6/xfs_aops.c, line 1285 include/linux/mpage.h, line 21 include/linux/mpage.h, line 27 include/linux/mpage.h, line 30 include/linux/mpage.h, line 32 mm/page-writeback.c, line 435 mm/page-writeback.c, line 617 mm/page-writeback.c, line 691 mm/page-writeback.c, line 863 mm/page-writeback.c, line 972 mm/page-writeback.c, line 990 mm/page-writeback.c, line 1001 mm/page-writeback.c, line 1029 mm/page-writeback.c, line 1119