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KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user() 

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 <mizhang@google.com>
Message-Id: <20220623171858.2083637-1-mizhang@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Mingwei Zhang 2022-06-23 17:18:58 +00:00 committed by Paolo Bonzini
parent 6945b2141f
commit ebdec859fa
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kvm/svm/sev.c
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@ -844,7 +844,7 @@ 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;
@ -865,7 +865,7 @@ 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;