b author Jeff Dike 1192523240 -0700 committer Linus Torvalds 1192552987 -0700 uml: remove unused file arch/um/os-Linux/tt.c is no longer used. Signed-off-by: Jeff Dike Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds ´Šš§—#x