linux-kernel - [PATCH] KVM: X86: Use GFP_KERNEL_ACCOUNT for pid

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Date:   Fri, 28 Jul 2023 14:49:48 +0800
From:   Hao Peng <flyingpenghao@...il.com>
To:     pbonzini@...hat.com
Cc:     kvm@...r.kernel.org, Sean Christopherson <seanjc@...gle.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] KVM: X86: Use GFP_KERNEL_ACCOUNT for pid_table in ipiv

From: Peng Hao <flyingpeng@...cent.com>

The pid_table of ipiv is the persistent memory allocated by
per-vcpu, which should be counted into the memory cgroup.

Signed-off-by: Peng Hao <flyingpeng@...cent.com>
---
 arch/x86/kvm/vmx/vmx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 0ecf4be2c6af..da1bf3648939 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -4651,7 +4651,7 @@ static int vmx_alloc_ipiv_pid_table(struct kvm *kvm)
        if (kvm_vmx->pid_table)
                return 0;

-       pages = alloc_pages(GFP_KERNEL | __GFP_ZERO,
vmx_get_pid_table_order(kvm));
+       pages = alloc_pages(GFP_KERNEL_ACCOUNT | __GFP_ZERO,
vmx_get_pid_table_order(kvm));
        if (!pages)
                return -ENOMEM;

--
2.31.1