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authorTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>2010-11-02 04:49:34 +0300
committerAvi Kivity <avi@redhat.com>2011-01-12 12:28:55 +0300
commit2653503769ef9ae771509e1358a3da8de8d21709 (patch)
tree5f568816fdb59fa592b1af47a952984977043151 /virt/kvm
parentec25d5e66ee152e371fd7046f3f8441859579aea (diff)
downloadlinux-2653503769ef9ae771509e1358a3da8de8d21709.tar.xz
KVM: replace vmalloc and memset with vzalloc
Let's use newly introduced vzalloc(). Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'virt/kvm')
-rw-r--r--virt/kvm/kvm_main.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index f2c2d84723c2..13cefe226e44 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -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))