From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Sat, 5 Apr 2008 13:39:06 +0000 (+0900)
Subject: x86: remove unnecessary memset()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=07004b12a1199f82c016eb976f493e5b70820a1d;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

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>
---

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 6e383e126db..616c53afb71 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++) {