x86: remove unnecessary memset()

No need to clear the memory allocated by alloc_bootmem().
It is already filled with zero.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 1 deletions

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 6e383e126db2..616c53afb711 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -2315,7 +2315,6 @@ static struct resource * __init ioapic_setup_resources(void)
         res = (void *)mem;
 
         if (mem != NULL) {
-                memset(mem, 0, n);
                 mem += sizeof(struct resource) * nr_ioapics;
 
                 for (i = 0; i < nr_ioapics; i++) {