Extern or forward variable declaration at include/linux/dcache.h, line 381 References: drivers/gpu/drm/i915/i915_gem.c, line 4840 drivers/gpu/drm/i915/i915_gem.c, line 4907 fs/dcache.c, line 38 fs/dcache.c, line 39 fs/dcache.c, line 899 fs/gfs2/glock.c, line 1392 fs/gfs2/quota.c, line 123 fs/inode.c, line 541 fs/mbcache.c, line 232 fs/nfs/dir.c, line 1727 fs/quota/dquot.c, line 626 include/linux/dcache.h, line 381 kernel/sysctl.c, line 1284 kernel/sysctl.c, line 1285 net/sunrpc/auth.c, line 274