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| author | Jan Beulich <JBeulich@novell.com> | 2010-09-02 13:46:34 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2010-09-22 15:36:49 -0700 |
| commit | 234bb549eea16ec7d5207ba747fb8dbf489e64c1 (patch) | |
| tree | 14352587d407c328d490781d3b5e0f7f0d07fe71 /arch/x86/kvm/lapic.c | |
| parent | 0f1cf415f00286a38f5ce35b459342dbfc895b50 (diff) | |
| download | linux-234bb549eea16ec7d5207ba747fb8dbf489e64c1.tar.gz linux-234bb549eea16ec7d5207ba747fb8dbf489e64c1.tar.bz2 linux-234bb549eea16ec7d5207ba747fb8dbf489e64c1.zip | |
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.c | 3 |
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, |