This is a note to let you know that I've just added the patch titled KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user() to the 5.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: kvm-x86-svm-add-__gfp_account-to-__sev_dbg_-en-de-cr.patch and it can be found in the queue-5.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit dc63942c964430e4cd9989784898f4bc54b59b96 Author: Mingwei Zhang <mizhang@xxxxxxxxxx> Date: Thu Jun 23 17:18:58 2022 +0000 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 <mizhang@xxxxxxxxxx> Message-Id: <20220623171858.2083637-1-mizhang@xxxxxxxxxx> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 76e9e6eb71d6..7aa1ce34a520 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -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;