diff mbox series

[RFC,v1,07/34] KVM: x86: mmu: increase mmu_memory_cache size

Message ID 20200722160121.9601-8-alazar@bitdefender.com (mailing list archive)
State New, archived
Headers show
Series VM introspection - EPT Views and Virtualization Exceptions | expand

Commit Message

Adalbert Lazăr July 22, 2020, 4 p.m. UTC 
From: Ștefan Șicleru <ssicleru@bitdefender.com>

We use/allocate more root_hpa's every time mmu_alloc_roots()
is called.

Signed-off-by: Ștefan Șicleru <ssicleru@bitdefender.com>
Signed-off-by: Adalbert Lazăr <alazar@bitdefender.com>
---
 arch/x86/kvm/mmu/mmu.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 553425ab3518..70461c7ef58c 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -1119,11 +1119,13 @@  static int mmu_topup_memory_caches(struct kvm_vcpu *vcpu)
 				   pte_list_desc_cache, 8 + PTE_PREFETCH_NUM);
 	if (r)
 		goto out;
-	r = mmu_topup_memory_cache_page(&vcpu->arch.mmu_page_cache, 8);
+	r = mmu_topup_memory_cache_page(&vcpu->arch.mmu_page_cache,
+					8 * KVM_MAX_EPT_VIEWS);
 	if (r)
 		goto out;
 	r = mmu_topup_memory_cache(&vcpu->arch.mmu_page_header_cache,
-				   mmu_page_header_cache, 4);
+				   mmu_page_header_cache,
+				   4 * KVM_MAX_EPT_VIEWS);
 out:
 	return r;
 }