Extern or forward variable declaration at include/linux/swap.h, line 116 References: arch/sparc/mm/init_64.c, line 337 arch/sparc/mm/tlb.c, line 59 arch/xtensa/mm/cache.c, line 72 drivers/block/loop.c, line 596 drivers/block/loop.c, line 811 drivers/gpu/drm/i915/i915_gem.c, line 339 drivers/gpu/drm/i915/i915_gem.c, line 400 drivers/gpu/drm/i915/i915_gem.c, line 774 drivers/gpu/drm/i915/i915_gem.c, line 843 drivers/gpu/drm/i915/i915_gem.c, line 1456 drivers/gpu/drm/i915/i915_gem.c, line 3599 drivers/gpu/drm/i915/i915_gem.c, line 3993 drivers/gpu/drm/i915/i915_gem.c, line 4029 drivers/gpu/drm/ttm/ttm_tt.c, line 464 drivers/gpu/drm/ttm/ttm_tt.c, line 521 drivers/staging/pohmelfs/inode.c, line 130 drivers/staging/pohmelfs/inode.c, line 142 drivers/staging/pohmelfs/inode.c, line 572 drivers/staging/pohmelfs/inode.c, line 631 drivers/staging/pohmelfs/inode.c, line 775 drivers/staging/pohmelfs/inode.c, line 905 fs/btrfs/compression.c, line 450 fs/btrfs/compression.c, line 860 fs/btrfs/disk-io.c, line 874 fs/btrfs/disk-io.c, line 923 fs/btrfs/extent_io.c, line 107 fs/btrfs/extent_io.c, line 2968 fs/btrfs/extent_io.c, line 3121 fs/btrfs/extent_io.c, line 3160 fs/btrfs/extent_io.c, line 3181 fs/btrfs/extent_io.c, line 3533 fs/btrfs/extent_io.c, line 3649 fs/btrfs/file.c, line 1573 fs/btrfs/inode.c, line 3224 fs/btrfs/inode.c, line 6271 fs/btrfs/inode.c, line 6281 fs/buffer.c, line 181 fs/buffer.c, line 268 fs/buffer.c, line 606 fs/buffer.c, line 608 fs/buffer.c, line 637 fs/buffer.c, line 638 fs/buffer.c, line 664 fs/buffer.c, line 705 fs/buffer.c, line 752 fs/buffer.c, line 839 fs/buffer.c, line 841 fs/buffer.c, line 862 fs/buffer.c, line 864 fs/buffer.c, line 1170 fs/buffer.c, line 1203 fs/buffer.c, line 1955 fs/buffer.c, line 1978 fs/buffer.c, line 2014 fs/buffer.c, line 2198 fs/buffer.c, line 2221 fs/buffer.c, line 2294 fs/buffer.c, line 2449 fs/buffer.c, line 2590 fs/buffer.c, line 2677 fs/buffer.c, line 2755 fs/buffer.c, line 2884 fs/buffer.c, line 3114 fs/cifs/file.c, line 1555 fs/cifs/file.c, line 1607 fs/cifs/file.c, line 1852 fs/cifs/file.c, line 2475 fs/cifs/file.c, line 2739 fs/ext2/dir.c, line 95 fs/ext2/dir.c, line 205 fs/fuse/dev.c, line 696 fs/fuse/dev.c, line 1397 fs/fuse/dev.c, line 1486 fs/fuse/file.c, line 587 fs/fuse/file.c, line 676 fs/fuse/file.c, line 812 fs/fuse/file.c, line 879 fs/fuse/file.c, line 933 fs/fuse/file.c, line 1217 fs/fuse/file.c, line 1517 fs/gfs2/aops.c, line 241 fs/gfs2/aops.c, line 258 fs/gfs2/aops.c, line 329 fs/gfs2/aops.c, line 392 fs/gfs2/aops.c, line 493 fs/gfs2/aops.c, line 530 fs/gfs2/aops.c, line 572 fs/gfs2/aops.c, line 608 fs/gfs2/aops.c, line 842 fs/gfs2/aops.c, line 918 fs/gfs2/aops.c, line 1057 fs/gfs2/file.c, line 608 fs/gfs2/meta_io.c, line 108 fs/gfs2/meta_io.c, line 129 fs/gfs2/meta_io.c, line 309 fs/hfs/bnode.c, line 240 fs/hfsplus/bnode.c, line 404 fs/inode.c, line 137 fs/inode.c, line 271 fs/minix/dir.c, line 55 fs/minix/dir.c, line 73 fs/minix/dir.c, line 466 fs/nfs/file.c, line 338 fs/nfs/file.c, line 382 fs/nfs/file.c, line 451 fs/nfs/file.c, line 518 fs/nfs/write.c, line 342 fs/nfs/write.c, line 1713 fs/nilfs2/page.c, line 62 fs/nilfs2/page.c, line 171 fs/nilfs2/page.c, line 256 fs/nilfs2/page.c, line 257 fs/nilfs2/page.c, line 311 fs/nilfs2/page.c, line 312 fs/nilfs2/page.c, line 373 fs/nilfs2/page.c, line 428 fs/nilfs2/page.c, line 452 fs/ntfs/aops.c, line 1591 fs/ntfs/attrib.c, line 2497 fs/ntfs/file.c, line 121 fs/ntfs/file.c, line 406 fs/ntfs/file.c, line 1775 fs/ntfs/file.c, line 2076 fs/ntfs/file.c, line 2114 fs/ntfs/mft.c, line 1136 fs/ocfs2/alloc.c, line 6638 fs/ocfs2/aops.c, line 347 fs/ocfs2/aops.c, line 450 fs/ocfs2/aops.c, line 1128 fs/ocfs2/aops.c, line 1210 fs/ocfs2/aops.c, line 1310 fs/ocfs2/aops.c, line 1496 fs/ocfs2/aops.c, line 1561 fs/ocfs2/aops.c, line 1705 fs/ocfs2/aops.c, line 1927 fs/ocfs2/aops.c, line 1995 fs/ocfs2/aops.c, line 2071 fs/ocfs2/refcounttree.c, line 2938 fs/ocfs2/refcounttree.c, line 3430 fs/reiserfs/inode.c, line 1058 fs/reiserfs/inode.c, line 2569 fs/reiserfs/inode.c, line 2690 fs/reiserfs/inode.c, line 2695 fs/splice.c, line 45 fs/splice.c, line 307 fs/splice.c, line 723 fs/splice.c, line 986 fs/sysv/dir.c, line 43 fs/sysv/dir.c, line 61 fs/ufs/dir.c, line 45 fs/ufs/dir.c, line 192 fs/ufs/dir.c, line 566 fs/xfs/xfs_aops.c, line 1066 fs/xfs/xfs_aops.c, line 1336 fs/xfs/xfs_aops.c, line 1384 fs/xfs/xfs_aops.c, line 1403 fs/xfs/xfs_aops.c, line 1420 fs/xfs/xfs_aops.c, line 1444 fs/xfs/xfs_file.c, line 95 fs/xfs/xfs_file.c, line 802 fs/xfs/xfs_file.c, line 885 fs/xfs/xfs_file.c, line 929 fs/xfs/xfs_fs_subr.c, line 47 fs/xfs/xfs_fs_subr.c, line 68 fs/xfs/xfs_fs_subr.c, line 89 fs/xfs/xfs_sync.c, line 226 include/linux/shmem_fs.h, line 51 include/linux/shmem_fs.h, line 57 include/linux/swap.h, line 116 include/linux/swap.h, line 258 include/linux/swap.h, line 275 include/linux/swap.h, line 310 ipc/shm.c, line 671 kernel/fork.c, line 376 mm/filemap.c, line 116 mm/filemap.c, line 160 mm/filemap.c, line 204 mm/filemap.c, line 222 mm/filemap.c, line 228 mm/filemap.c, line 234 mm/filemap.c, line 248 mm/filemap.c, line 263 mm/filemap.c, line 314 mm/filemap.c, line 325 mm/filemap.c, line 358 mm/filemap.c, line 416 mm/filemap.c, line 458 mm/filemap.c, line 498 mm/filemap.c, line 689 mm/filemap.c, line 742 mm/filemap.c, line 779 mm/filemap.c, line 825 mm/filemap.c, line 899 mm/filemap.c, line 974 mm/filemap.c, line 1051 mm/filemap.c, line 1107 mm/filemap.c, line 1429 mm/filemap.c, line 1504 mm/filemap.c, line 1523 mm/filemap.c, line 1552 mm/filemap.c, line 1586 mm/filemap.c, line 1631 mm/filemap.c, line 1659 mm/filemap.c, line 1784 mm/filemap.c, line 1817 mm/filemap.c, line 1848 mm/filemap.c, line 1900 mm/filemap.c, line 1932 mm/filemap.c, line 1954 mm/filemap.c, line 2254 mm/filemap.c, line 2265 mm/filemap.c, line 2282 mm/filemap.c, line 2350 mm/filemap.c, line 2383 mm/filemap.c, line 2515 mm/filemap.c, line 2665 mm/fremap.c, line 126 mm/hugetlb.c, line 536 mm/hugetlb.c, line 538 mm/hugetlb.c, line 978 mm/hugetlb.c, line 1003 mm/hugetlb.c, line 1024 mm/hugetlb.c, line 2309 mm/hugetlb.c, line 2320 mm/hugetlb.c, line 2468 mm/hugetlb.c, line 2484 mm/hugetlb.c, line 2505 mm/memcontrol.c, line 5112 mm/memory-failure.c, line 81 mm/memory-failure.c, line 427 mm/memory-failure.c, line 545 mm/memory-failure.c, line 608 mm/memory-failure.c, line 850 mm/memory.c, line 683 mm/memory.c, line 2608 mm/memory.c, line 2815 mm/memory.c, line 3293 mm/migrate.c, line 231 mm/migrate.c, line 304 mm/migrate.c, line 404 mm/migrate.c, line 417 mm/migrate.c, line 440 mm/migrate.c, line 497 mm/migrate.c, line 538 mm/migrate.c, line 569 mm/mincore.c, line 62 mm/mmap.c, line 192 mm/mmap.c, line 216 mm/mmap.c, line 406 mm/mmap.c, line 435 mm/mmap.c, line 496 mm/mmap.c, line 2507 mm/mmap.c, line 2610 mm/mremap.c, line 76 mm/nommu.c, line 683 mm/nommu.c, line 748 mm/nommu.c, line 919 mm/nommu.c, line 1851 mm/page-writeback.c, line 1008 mm/page-writeback.c, line 1208 mm/page-writeback.c, line 1231 mm/page-writeback.c, line 1434 mm/page-writeback.c, line 1475 mm/page-writeback.c, line 1638 mm/page-writeback.c, line 1652 mm/page-writeback.c, line 1670 mm/page-writeback.c, line 1694 mm/page-writeback.c, line 1736 mm/page-writeback.c, line 1777 mm/page-writeback.c, line 1778 mm/page-writeback.c, line 1828 mm/page-writeback.c, line 1894 mm/page-writeback.c, line 1950 mm/page-writeback.c, line 1981 mm/page-writeback.c, line 2019 mm/rmap.c, line 784 mm/rmap.c, line 908 mm/rmap.c, line 937 mm/rmap.c, line 970 mm/rmap.c, line 999 mm/rmap.c, line 1490 mm/rmap.c, line 1691 mm/rmap.c, line 1750 mm/shmem.c, line 229 mm/shmem.c, line 253 mm/shmem.c, line 298 mm/shmem.c, line 315 mm/shmem.c, line 366 mm/shmem.c, line 400 mm/shmem.c, line 577 mm/shmem.c, line 672 mm/shmem.c, line 836 mm/shmem.c, line 1157 mm/shmem.c, line 1167 mm/shmem.c, line 1186 mm/shmem.c, line 1325 mm/shmem.c, line 2565 mm/swap.c, line 760 mm/swap.c, line 769 mm/swap_state.c, line 39 mm/swapfile.c, line 1555 mm/swapfile.c, line 2012 mm/truncate.c, line 77 mm/truncate.c, line 100 mm/truncate.c, line 125 mm/truncate.c, line 141 mm/truncate.c, line 154 mm/truncate.c, line 176 mm/truncate.c, line 206 mm/truncate.c, line 311 mm/truncate.c, line 330 mm/truncate.c, line 389 mm/truncate.c, line 417 mm/truncate.c, line 437 mm/truncate.c, line 517 mm/truncate.c, line 541 mm/truncate.c, line 607 mm/vmscan.c, line 414 mm/vmscan.c, line 439 mm/vmscan.c, line 515 mm/vmscan.c, line 585 mm/vmscan.c, line 771 mm/vmscan.c, line 3400