[PATCH 09/15] KVM: SVM: Allocate sd->save_area with __GFP_ZERO

[Lai Jiangshan]

From: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>

And remove clear_page() on it.

Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>
---
 arch/x86/kvm/svm/svm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 33b434fd5d9b..d855ba664fc2 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -585,12 +585,10 @@ static int svm_cpu_init(int cpu)
 	if (!sd)
 		return ret;
 	sd->cpu = cpu;
-	sd->save_area = alloc_page(GFP_KERNEL);
+	sd->save_area = alloc_page(GFP_KERNEL | __GFP_ZERO);
 	if (!sd->save_area)
 		goto free_cpu_data;
 
-	clear_page(page_address(sd->save_area));
-
 	ret = sev_cpu_init(sd);
 	if (ret)
 		goto free_save_area;
-- 
2.19.1.6.gb485710b