Use CLONE_KERNEL for the common kernel thread flags.

drivers/char/hvc_console.c

@@ -286,7 +286,7 @@ int __init hvc_init(void)
 		panic("Couldn't register hvc console driver\n");
 
 	if (hvc_driver.num > 0)
-		kernel_thread(khvcd, NULL, CLONE_FS | CLONE_FILES | CLONE_SIGNAL);
+		kernel_thread(khvcd, NULL, CLONE_KERNEL);
 
 	return 0;
 }

drivers/pnp/pnpbios_core.c

@@ -1299,7 +1299,7 @@ static int __init pnpbios_thread_init(void)
 {
 #ifdef CONFIG_HOTPLUG	
 	init_completion(&unload_sem);
-	if(kernel_thread(pnp_dock_thread, NULL, CLONE_FS | CLONE_FILES | CLONE_SIGNAL)>0)
+	if (kernel_thread(pnp_dock_thread, NULL, CLONE_KERNEL) > 0)
 		unloading = 0;
 #endif		
 	return 0;

fs/exec.c

@@ -522,7 +522,7 @@ static inline void put_proc_dentry(struct dentry *dentry)
  * This function makes sure the current process has its own signal table,
  * so that flush_signal_handlers can later reset the handlers without
  * disturbing other processes.  (Other processes might share the signal
- * table via the CLONE_SIGNAL option to clone().)
+ * table via the CLONE_SIGHAND option to clone().)
  */
 static inline int de_thread(struct signal_struct *oldsig)
 {

fs/lockd/clntlock.c

@@ -188,7 +188,7 @@ nlmclnt_recovery(struct nlm_host *host, u32 newstate)
 		nlmclnt_prepare_reclaim(host, newstate);
 		nlm_get_host(host);
 		MOD_INC_USE_COUNT;
-		kernel_thread(reclaimer, host, CLONE_SIGNAL);
+		kernel_thread(reclaimer, host, CLONE_KERNEL);
 	}
 }
 

include/linux/sched.h

@@ -51,7 +51,11 @@ struct exec_domain;
 #define CLONE_CLEARTID	0x00200000	/* clear the userspace TID */
 #define CLONE_DETACHED	0x00400000	/* parent wants no child-exit signal */
 
-#define CLONE_SIGNAL	(CLONE_SIGHAND | CLONE_THREAD)
+/*
+ * List of flags we want to share for kernel threads,
+ * if only because they are not used by them anyway.
+ */
+#define CLONE_KERNEL	(CLONE_FS | CLONE_FILES | CLONE_SIGHAND)
 
 /*
  * These are the constant used to fake the fixed-point load-average

init/main.c

@@ -371,7 +371,7 @@ static void __init smp_init(void)
 
 static void rest_init(void)
 {
-	kernel_thread(init, NULL, CLONE_FS | CLONE_FILES | CLONE_SIGNAL);
+	kernel_thread(init, NULL, CLONE_KERNEL);
 	unlock_kernel();
  	cpu_idle();
 } 

kernel/sched.c

@@ -2055,8 +2055,7 @@ static int migration_call(struct notifier_block *nfb,
 	case CPU_ONLINE:
 		printk("Starting migration thread for cpu %li\n",
 		       (long)hcpu);
-		kernel_thread(migration_thread, hcpu,
-			      CLONE_FS | CLONE_FILES | CLONE_SIGNAL);
+		kernel_thread(migration_thread, hcpu, CLONE_KERNEL);
 		while (!cpu_rq((long)hcpu)->migration_thread)
 			yield();
 		break;

kernel/softirq.c

@@ -395,8 +395,7 @@ static int __devinit cpu_callback(struct notifier_block *nfb,
 	int hotcpu = (unsigned long)hcpu;
 
 	if (action == CPU_ONLINE) {
-		if (kernel_thread(ksoftirqd, hcpu,
-				  CLONE_FS | CLONE_FILES | CLONE_SIGNAL) < 0) {
+		if (kernel_thread(ksoftirqd, hcpu, CLONE_KERNEL) < 0) {
 			printk("ksoftirqd for %i failed\n", hotcpu);
 			return NOTIFY_BAD;
 		}

mm/pdflush.c

@@ -202,8 +202,7 @@ int pdflush_operation(void (*fn)(unsigned long), unsigned long arg0)
 
 static void start_one_pdflush_thread(void)
 {
-	kernel_thread(pdflush, NULL,
-			CLONE_FS | CLONE_FILES | CLONE_SIGNAL);
+	kernel_thread(pdflush, NULL, CLONE_KERNEL);
 }
 
 static int __init pdflush_init(void)

mm/vmscan.c

@@ -705,7 +705,7 @@ static int __init kswapd_init(void)
 {
 	printk("Starting kswapd\n");
 	swap_setup();
-	kernel_thread(kswapd, NULL, CLONE_FS | CLONE_FILES | CLONE_SIGNAL);
+	kernel_thread(kswapd, NULL, CLONE_KERNEL);
 	return 0;
 }