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KVM: replace vmalloc and memset with vzalloc

Browse source 
Let's use newly introduced vzalloc().

Signed-off-by: Takuya Yoshikawa <[email protected]>
Signed-off-by: Jesper Juhl <[email protected]>
Signed-off-by: Marcelo Tosatti <[email protected]>
This commit is contained in:
Takuya Yoshikawa 2010-11-02 10:49:34 +09:00 • committed by Avi Kivity
commit 2653503769
2 changed files with 3 additions and 10 deletions
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9
virt/kvm/kvm_main.c
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@ -640,13 +640,11 @@ int __kvm_set_memory_region(struct kvm *kvm,
/* Allocate if a slot is being created */
#ifndef CONFIG_S390
if (npages && !new.rmap) {
new.rmap = vmalloc(npages * sizeof(*new.rmap));
new.rmap = vzalloc(npages * sizeof(*new.rmap));
if (!new.rmap)
goto out_free;
memset(new.rmap, 0, npages * sizeof(*new.rmap));
new.user_alloc = user_alloc;
new.userspace_addr = mem->userspace_addr;
}
@ -669,14 +667,11 @@ int __kvm_set_memory_region(struct kvm *kvm,
>> KVM_HPAGE_GFN_SHIFT(level));
lpages -= base_gfn >> KVM_HPAGE_GFN_SHIFT(level);
new.lpage_info[i] = vmalloc(lpages * sizeof(*new.lpage_info[i]));
new.lpage_info[i] = vzalloc(lpages * sizeof(*new.lpage_info[i]));
if (!new.lpage_info[i])
goto out_free;
memset(new.lpage_info[i], 0,
lpages * sizeof(*new.lpage_info[i]));
if (base_gfn & (KVM_PAGES_PER_HPAGE(level) - 1))
new.lpage_info[i][0].write_count = 1;
if ((base_gfn+npages) & (KVM_PAGES_PER_HPAGE(level) - 1))