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authorJan Beulich <JBeulich@novell.com>2010-09-02 13:46:34 +0100
committerH. Peter Anvin <hpa@linux.intel.com>2010-09-22 15:36:49 -0700
commit234bb549eea16ec7d5207ba747fb8dbf489e64c1 (patch)
tree14352587d407c328d490781d3b5e0f7f0d07fe71 /arch/x86/kvm/lapic.c
parent0f1cf415f00286a38f5ce35b459342dbfc895b50 (diff)
x86, cleanups: Use clear_page/copy_page rather than memset/memcpy
When operating on whole pages, use clear_page() and copy_page() in favor of memset() and memcpy(); after all that's what they are intended for. Signed-off-by: Jan Beulich <jbeulich@novell.com> LKML-Reference: <4C7FB8CA0200007800013F51@vpn.id2.novell.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/kvm/lapic.c')
-rw-r--r--arch/x86/kvm/lapic.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 77d8c0f4817d..22b06f7660f4 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1056,14 +1056,13 @@ int kvm_create_lapic(struct kvm_vcpu *vcpu)
vcpu->arch.apic = apic;
- apic->regs_page = alloc_page(GFP_KERNEL);
+ apic->regs_page = alloc_page(GFP_KERNEL|__GFP_ZERO);
if (apic->regs_page == NULL) {
printk(KERN_ERR "malloc apic regs error for vcpu %x\n",
vcpu->vcpu_id);
goto nomem_free_apic;
}
apic->regs = page_address(apic->regs_page);
- memset(apic->regs, 0, PAGE_SIZE);
apic->vcpu = vcpu;
hrtimer_init(&apic->lapic_timer.timer, CLOCK_MONOTONIC,