[PATCH] s390: cmm interface

Collaborative memory management inferface changes:
 - Allow cmmthread to run on every cpu.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/s390/mm/cmm.c

@@ -124,7 +124,6 @@ cmm_thread(void *dummy)
 	int rc;
 
 	daemonize("cmmthread");
-	set_cpus_allowed(current, cpumask_of_cpu(0));
 	while (1) {
 		rc = wait_event_interruptible(cmm_thread_wait,
 			(cmm_pages != cmm_pages_target ||
@@ -408,14 +407,6 @@ struct ctl_table_header *cmm_sysctl_header;
 static int
 cmm_init (void)
 {
-	int rc;
-
-	/* Prevent logical cpu 0 from being set offline. */
-	rc = smp_get_cpu(cpumask_of_cpu(0));
-	if (rc) {
-		printk(KERN_ERR "CMM: unable to reserve cpu 0\n");
-		return rc;
-	}
 #ifdef CONFIG_CMM_PROC
 	cmm_sysctl_header = register_sysctl_table(cmm_dir_table, 1);
 #endif
@@ -439,8 +430,6 @@ cmm_exit(void)
 #ifdef CONFIG_CMM_IUCV
 	smsg_unregister_callback(SMSG_PREFIX, cmm_smsg_target);
 #endif
-	/* Allow logical cpu 0 to be set offline again. */
-	smp_put_cpu(0);
 }
 
 module_init(cmm_init);