From a619a03120991b679cd6a41355f6c9199f63fd8b Mon Sep 17 00:00:00 2001 From: Mingwei Zhang Date: Thu, 23 Jun 2022 17:18:58 +0000 Subject: [PATCH] KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user() [ Upstream commit ebdec859faa8cfbfef9f6c1f83d79dd6c8f4ab8c ] Adding the accounting flag when allocating pages within the SEV function, since these memory pages should belong to individual VM. No functional change intended. Signed-off-by: Mingwei Zhang Message-Id: <20220623171858.2083637-1-mizhang@google.com> Signed-off-by: Paolo Bonzini Signed-off-by: Sasha Levin --- arch/x86/kvm/svm/sev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 4a4dc105552e3..86f3096f042f7 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -832,7 +832,7 @@ static int __sev_dbg_encrypt_user(struct kvm *kvm, unsigned long paddr, /* If source buffer is not aligned then use an intermediate buffer */ if (!IS_ALIGNED((unsigned long)vaddr, 16)) { - src_tpage = alloc_page(GFP_KERNEL); + src_tpage = alloc_page(GFP_KERNEL_ACCOUNT); if (!src_tpage) return -ENOMEM; @@ -853,7 +853,7 @@ static int __sev_dbg_encrypt_user(struct kvm *kvm, unsigned long paddr, if (!IS_ALIGNED((unsigned long)dst_vaddr, 16) || !IS_ALIGNED(size, 16)) { int dst_offset; - dst_tpage = alloc_page(GFP_KERNEL); + dst_tpage = alloc_page(GFP_KERNEL_ACCOUNT); if (!dst_tpage) { ret = -ENOMEM; goto e_free; -- 2.30.2