diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 9fd3137230d4..9f548cb4a958 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -438,7 +438,7 @@ static void impress_friends(void)
 void __inquire_remote_apic(int apicid)
 {
 	unsigned i, regs[] = { APIC_ID >> 4, APIC_LVR >> 4, APIC_SPIV >> 4 };
-	char *names[] = { "ID", "VERSION", "SPIV" };
+	const char * const names[] = { "ID", "VERSION", "SPIV" };
 	int timeout;
 	u32 status;
 
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index e1d106909218..b0086567271c 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -123,12 +123,11 @@ static int pageattr_test(void)
 	if (print)
 		printk(KERN_INFO "CPA self-test:\n");
 
-	bm = vmalloc((max_pfn_mapped + 7) / 8);
+	bm = vzalloc((max_pfn_mapped + 7) / 8);
 	if (!bm) {
 		printk(KERN_ERR "CPA Cannot vmalloc bitmap\n");
 		return -ENOMEM;
 	}
-	memset(bm, 0, (max_pfn_mapped + 7) / 8);
 
 	failed += print_split(&sa);
 	srandom32(100);