From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Adalbert=20Laz=C4=83r?= Subject: [RFC PATCH v1 07/34] KVM: x86: mmu: increase mmu_memory_cache size Date: Wed, 22 Jul 2020 19:00:54 +0300 Message-ID: <20200722160121.9601-8-alazar@bitdefender.com> References: <20200722160121.9601-1-alazar@bitdefender.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200722160121.9601-1-alazar@bitdefender.com> Sender: kvm-owner@vger.kernel.org To: kvm@vger.kernel.org Cc: virtualization@lists.linux-foundation.org, Paolo Bonzini , =?UTF-8?q?=C8=98tefan=20=C8=98icleru?= , =?UTF-8?q?Adalbert=20Laz=C4=83r?= List-Id: virtualization@lists.linuxfoundation.org From: Ștefan Șicleru We use/allocate more root_hpa's every time mmu_alloc_roots() is called. Signed-off-by: Ștefan Șicleru Signed-off-by: Adalbert Lazăr --- arch/x86/kvm/mmu/mmu.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) 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; }