Extern or forward variable declaration at include/linux/swap.h, line 93 References: arch/sparc64/mm/init.c, line 326 arch/sparc64/mm/tlb.c, line 58 arch/xtensa/mm/cache.c, line 72 drivers/block/loop.c, line 215 drivers/block/loop.c, line 633 drivers/block/loop.c, line 718 drivers/gpu/drm/i915/i915_gem.c, line 1117 fs/aio.c, line 1336 fs/buffer.c, line 264 fs/buffer.c, line 348 fs/buffer.c, line 642 fs/buffer.c, line 644 fs/buffer.c, line 673 fs/buffer.c, line 674 fs/buffer.c, line 700 fs/buffer.c, line 754 fs/buffer.c, line 798 fs/buffer.c, line 871 fs/buffer.c, line 873 fs/buffer.c, line 894 fs/buffer.c, line 896 fs/buffer.c, line 1228 fs/buffer.c, line 1972 fs/buffer.c, line 2025 fs/buffer.c, line 2061 fs/buffer.c, line 2244 fs/buffer.c, line 2272 fs/buffer.c, line 2345 fs/buffer.c, line 2474 fs/buffer.c, line 2619 fs/buffer.c, line 2705 fs/buffer.c, line 2781 fs/buffer.c, line 2895 fs/buffer.c, line 3116 fs/buffer.c, line 3165 fs/ext2/dir.c, line 86 fs/ext2/dir.c, line 193 fs/ext2/dir.c, line 575 fs/ext2/dir.c, line 620 fs/gfs2/meta_io.c, line 102 fs/gfs2/meta_io.c, line 121 fs/gfs2/meta_io.c, line 142 fs/gfs2/ops_address.c, line 248 fs/gfs2/ops_address.c, line 265 fs/gfs2/ops_address.c, line 342 fs/gfs2/ops_address.c, line 411 fs/gfs2/ops_address.c, line 509 fs/gfs2/ops_address.c, line 546 fs/gfs2/ops_address.c, line 588 fs/gfs2/ops_address.c, line 624 fs/gfs2/ops_address.c, line 817 fs/gfs2/ops_address.c, line 894 fs/hfs/bnode.c, line 239 fs/hfsplus/bnode.c, line 399 fs/inode.c, line 124 fs/minix/dir.c, line 55 fs/minix/dir.c, line 73 fs/minix/dir.c, line 310 fs/minix/dir.c, line 334 fs/minix/dir.c, line 434 fs/nfs/write.c, line 313 fs/nfs/write.c, line 1356 fs/nfs/write.c, line 1407 fs/nfs/write.c, line 1424 fs/ntfs/aops.c, line 1592 fs/ntfs/attrib.c, line 2496 fs/ntfs/file.c, line 124 fs/ntfs/file.c, line 414 fs/ntfs/file.c, line 1787 fs/ntfs/file.c, line 2101 fs/ntfs/file.c, line 2139 fs/ntfs/file.c, line 2165 fs/ntfs/mft.c, line 1136 fs/ocfs2/alloc.c, line 6494 fs/ocfs2/aops.c, line 344 fs/ocfs2/aops.c, line 502 fs/ocfs2/aops.c, line 1168 fs/ocfs2/aops.c, line 1237 fs/ocfs2/aops.c, line 1338 fs/ocfs2/aops.c, line 1504 fs/ocfs2/aops.c, line 1569 fs/ocfs2/aops.c, line 1658 fs/ocfs2/aops.c, line 1806 fs/ocfs2/aops.c, line 1874 fs/ocfs2/aops.c, line 1957 fs/reiserfs/inode.c, line 1043 fs/reiserfs/inode.c, line 2540 fs/reiserfs/inode.c, line 2658 fs/reiserfs/inode.c, line 2663 fs/splice.c, line 43 fs/splice.c, line 273 fs/splice.c, line 560 fs/splice.c, line 764 fs/splice.c, line 822 fs/sysv/dir.c, line 43 fs/sysv/dir.c, line 61 fs/sysv/dir.c, line 245 fs/sysv/dir.c, line 265 fs/sysv/dir.c, line 347 fs/ufs/dir.c, line 45 fs/ufs/dir.c, line 193 fs/ufs/dir.c, line 521 fs/ufs/dir.c, line 570 include/linux/swap.h, line 93 include/linux/swap.h, line 220 include/linux/swap.h, line 238 include/linux/swap.h, line 252 include/linux/swap.h, line 280 ipc/shm.c, line 564 kernel/fork.c, line 318 mm/filemap.c, line 117 mm/filemap.c, line 141 mm/filemap.c, line 152 mm/filemap.c, line 207 mm/filemap.c, line 225 mm/filemap.c, line 231 mm/filemap.c, line 237 mm/filemap.c, line 251 mm/filemap.c, line 266 mm/filemap.c, line 323 mm/filemap.c, line 355 mm/filemap.c, line 380 mm/filemap.c, line 392 mm/filemap.c, line 425 mm/filemap.c, line 455 mm/filemap.c, line 493 mm/filemap.c, line 653 mm/filemap.c, line 696 mm/filemap.c, line 733 mm/filemap.c, line 772 mm/filemap.c, line 825 mm/filemap.c, line 882 mm/filemap.c, line 942 mm/filemap.c, line 1001 mm/filemap.c, line 1311 mm/filemap.c, line 1358 mm/filemap.c, line 1378 mm/filemap.c, line 1407 mm/filemap.c, line 1447 mm/filemap.c, line 1608 mm/filemap.c, line 1641 mm/filemap.c, line 1686 mm/filemap.c, line 1734 mm/filemap.c, line 2033 mm/filemap.c, line 2044 mm/filemap.c, line 2061 mm/filemap.c, line 2150 mm/filemap.c, line 2181 mm/filemap.c, line 2271 mm/filemap.c, line 2312 mm/filemap.c, line 2411 mm/filemap.c, line 2435 mm/filemap.c, line 2473 mm/fremap.c, line 127 mm/memory.c, line 2025 mm/memory.c, line 2152 mm/memory.c, line 2215 mm/memory.c, line 2253 mm/migrate.c, line 164 mm/migrate.c, line 269 mm/migrate.c, line 401 mm/migrate.c, line 414 mm/migrate.c, line 437 mm/migrate.c, line 494 mm/migrate.c, line 536 mm/migrate.c, line 566 mm/mincore.c, line 27 mm/mmap.c, line 197 mm/mmap.c, line 221 mm/mmap.c, line 420 mm/mmap.c, line 450 mm/mmap.c, line 512 mm/mmap.c, line 2335 mm/mmap.c, line 2439 mm/mremap.c, line 76 mm/nommu.c, line 70 mm/nommu.c, line 524 mm/nommu.c, line 572 mm/nommu.c, line 629 mm/nommu.c, line 1341 mm/page-writeback.c, line 422 mm/page-writeback.c, line 532 mm/page-writeback.c, line 553 mm/page-writeback.c, line 862 mm/page-writeback.c, line 975 mm/page-writeback.c, line 989 mm/page-writeback.c, line 1001 mm/page-writeback.c, line 1027 mm/page-writeback.c, line 1083 mm/page-writeback.c, line 1084 mm/page-writeback.c, line 1132 mm/page-writeback.c, line 1195 mm/page-writeback.c, line 1252 mm/page-writeback.c, line 1281 mm/page-writeback.c, line 1316 mm/rmap.c, line 424 mm/rmap.c, line 540 mm/rmap.c, line 565 mm/rmap.c, line 592 mm/rmap.c, line 627 mm/rmap.c, line 1066 mm/shmem.c, line 1003 mm/shmem.c, line 1181 mm/shmem.c, line 1577 mm/shmem.c, line 1588 mm/shmem.c, line 1607 mm/swap.c, line 521 mm/swap.c, line 530 mm/swap_state.c, line 40 mm/swapfile.c, line 1231 mm/swapfile.c, line 1476 mm/truncate.c, line 74 mm/truncate.c, line 97 mm/truncate.c, line 122 mm/truncate.c, line 161 mm/truncate.c, line 264 mm/truncate.c, line 270 mm/truncate.c, line 331 mm/truncate.c, line 346 mm/truncate.c, line 369 mm/truncate.c, line 389 mm/truncate.c, line 469 mm/vmscan.c, line 237 mm/vmscan.c, line 283 mm/vmscan.c, line 314 mm/vmscan.c, line 398 mm/vmscan.c, line 460 mm/vmscan.c, line 569 mm/vmscan.c, line 2416