From: Akinobu Mita <akinobu.mita@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>
Subject: [patch 3/9] x86: remove unnecessary memset()
Date: Sat, 05 Apr 2008 22:39:06 +0900 [thread overview]
Message-ID: <47f78397.1aad7e0a.12c1.24a5@mx.google.com> (raw)
In-Reply-To: 20080405133903.770639386@gmail.com
[-- Attachment #1: x86-io-apic-noneed-memset-zero.patch --]
[-- Type: text/plain, Size: 640 bytes --]
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>
---
arch/x86/kernel/io_apic_64.c | 1 -
1 file changed, 1 deletion(-)
Index: 2.6-git/arch/x86/kernel/io_apic_64.c
===================================================================
--- 2.6-git.orig/arch/x86/kernel/io_apic_64.c
+++ 2.6-git/arch/x86/kernel/io_apic_64.c
@@ -2304,7 +2304,6 @@ static struct resource * __init ioapic_s
res = (void *)mem;
if (mem != NULL) {
- memset(mem, 0, n);
mem += sizeof(struct resource) * nr_ioapics;
for (i = 0; i < nr_ioapics; i++) {
--
next prev parent reply other threads:[~2008-04-05 13:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080405133903.770639386@gmail.com>
2008-04-05 13:39 ` [patch 1/9] x86: avoid redundant loop in io_apic_level_ack_pending() Akinobu Mita
2008-04-05 13:39 ` [patch 2/9] x86: use ioapic_read_entry() and ioapic_write_entry() Akinobu Mita
2008-04-05 13:39 ` Akinobu Mita [this message]
2008-04-05 13:39 ` [patch 4/9] x86: remove unnecessary tmp local variable Akinobu Mita
2008-04-05 13:39 ` [patch 5/9] x86: use cpumask_of_cpu() Akinobu Mita
2008-04-05 13:39 ` [patch 6/9] x86: use cpu_online() Akinobu Mita
2008-04-05 13:39 ` [patch 7/9] use BUILD_BUG_ON() for the size of struct intel_mp_floating Akinobu Mita
2008-04-05 13:39 ` [patch 8/9] x86_64: use MP_intsrc_info() Akinobu Mita
2008-04-05 13:39 ` [patch 9/9] x86: use bitmap library for pin_programmed Akinobu Mita
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