From 2653503769ef9ae771509e1358a3da8de8d21709 Mon Sep 17 00:00:00 2001 From: Takuya Yoshikawa Date: Tue, 2 Nov 2010 10:49:34 +0900 Subject: [PATCH] KVM: replace vmalloc and memset with vzalloc Let's use newly introduced vzalloc(). Signed-off-by: Takuya Yoshikawa Signed-off-by: Jesper Juhl Signed-off-by: Marcelo Tosatti --- arch/powerpc/kvm/book3s.c | 4 +--- virt/kvm/kvm_main.c | 9 ++------- 2 files changed, 3 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index e316847c08c0..badc983031b3 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -1307,12 +1307,10 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) int err = -ENOMEM; unsigned long p; - vcpu_book3s = vmalloc(sizeof(struct kvmppc_vcpu_book3s)); + vcpu_book3s = vzalloc(sizeof(struct kvmppc_vcpu_book3s)); if (!vcpu_book3s) goto out; - memset(vcpu_book3s, 0, sizeof(struct kvmppc_vcpu_book3s)); - vcpu_book3s->shadow_vcpu = (struct kvmppc_book3s_shadow_vcpu *) kzalloc(sizeof(*vcpu_book3s->shadow_vcpu), GFP_KERNEL); if (!vcpu_book3s->shadow_vcpu) 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)) -- 2.30.2