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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2014-09-17 23:56:16 +0200
committerChristoffer Dall <christoffer.dall@linaro.org>2014-10-10 13:07:37 +0200
commite9e8578b6cdfba0259e99e79f0cb80c55c99b3c2 (patch)
tree6c08662464f2cf314c1349a48ecb5e2329f4b8b7 /arch/arm/kvm
parentARM: KVM: fix vgic-disabled build (diff)
downloadlinux-e9e8578b6cdfba0259e99e79f0cb80c55c99b3c2.tar.xz
linux-e9e8578b6cdfba0259e99e79f0cb80c55c99b3c2.zip
arm/arm64: KVM: use __GFP_ZERO not memset() to get zeroed pages
Pass __GFP_ZERO to __get_free_pages() instead of calling memset() explicitly. Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'arch/arm/kvm')
-rw-r--r--arch/arm/kvm/mmu.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index eea03069161b..8f0c7a4c49fc 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -528,11 +528,10 @@ int kvm_alloc_stage2_pgd(struct kvm *kvm)
return -EINVAL;
}
- pgd = (pgd_t *)__get_free_pages(GFP_KERNEL, S2_PGD_ORDER);
+ pgd = (pgd_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, S2_PGD_ORDER);
if (!pgd)
return -ENOMEM;
- memset(pgd, 0, PTRS_PER_S2_PGD * sizeof(pgd_t));
kvm_clean_pgd(pgd);
kvm->arch.pgd = pgd;