[PATCH] Remove obsolete SMP declarations

[Bjorn Helgaas]

Remove obsolete declarations.  All unused except smp_callin(),
which is always defined before use in architecture-specific code.

Applies to 2.4.20.

diff -Nru a/include/linux/smp.h b/include/linux/smp.h
--- a/include/linux/smp.h	Mon Dec 16 12:13:05 2002
+++ b/include/linux/smp.h	Mon Dec 16 12:13:05 2002
@@ -35,11 +35,6 @@
 extern void smp_boot_cpus(void);
 
 /*
- * Processor call in. Must hold processors until ..
- */
-extern void smp_callin(void);
-
-/*
  * Multiprocessors may now schedule
  */
 extern void smp_commence(void);
@@ -56,10 +51,6 @@
 extern int smp_threads_ready;
 
 extern int smp_num_cpus;
-
-extern volatile unsigned long smp_msg_data;
-extern volatile int smp_src_cpu;
-extern volatile int smp_msg_id;
 
 #define MSG_ALL_BUT_SELF	0x8000	/* Assume <32768 CPU's */
 #define MSG_ALL			0x8001