From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB3F1C4320A for ; Thu, 2 Sep 2021 00:28:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BEF516101B for ; Thu, 2 Sep 2021 00:28:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244986AbhIBA3X (ORCPT ); Wed, 1 Sep 2021 20:29:23 -0400 Received: from foss.arm.com ([217.140.110.172]:43250 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244759AbhIBA3V (ORCPT ); Wed, 1 Sep 2021 20:29:21 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8D2DA11D4; Wed, 1 Sep 2021 17:28:22 -0700 (PDT) Received: from entos-ampere-02.shanghai.arm.com (entos-ampere-02.shanghai.arm.com [10.169.214.103]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 234253F766; Wed, 1 Sep 2021 17:28:16 -0700 (PDT) From: Jia He To: Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose Cc: Catalin Marinas , Will Deacon , Liu Shixin , Eric Auger , Kees Cook , Nick Desaulniers , Shenming Lu , Sami Tolvanen , Lorenzo Pieralisi , Xiaoming Ni , Zenghui Yu , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, Jia He Subject: [PATCH 2/2] KVM: arm64: Add memcg accounting to KVM allocations Date: Thu, 2 Sep 2021 08:28:01 +0800 Message-Id: <20210902002801.32618-2-justin.he@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210902002801.32618-1-justin.he@arm.com> References: <20210902002801.32618-1-justin.he@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Inspired by commit 254272ce6505 ("kvm: x86: Add memcg accounting to KVM allocations"), it would be better to make arm64 KVM consistent with common kvm codes. The memory allocations of VM scope should be charged into VM process cgroup, hence change GFP_KERNEL to GFP_KERNEL_ACCOUNT. There remained a few cases since these allocations are global, not in VM scope. Signed-off-by: Jia He --- arch/arm64/kvm/arm.c | 6 ++++-- arch/arm64/kvm/mmu.c | 2 +- arch/arm64/kvm/pmu-emul.c | 2 +- arch/arm64/kvm/reset.c | 2 +- 4 files changed, 7 insertions(+), 5 deletions(-) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index e9a2b8f27792..9d6f5bcaddef 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -289,10 +289,12 @@ long kvm_arch_dev_ioctl(struct file *filp, struct kvm *kvm_arch_alloc_vm(void) { + unsigned long sz = sizeof(struct kvm); + if (!has_vhe()) - return kzalloc(sizeof(struct kvm), GFP_KERNEL); + return kzalloc(sz, GFP_KERNEL | GFP_KERNEL_ACCOUNT); - return vzalloc(sizeof(struct kvm)); + return __vmalloc(sz, GFP_KERNEL_ACCOUNT | __GFP_HIGHMEM | __GFP_ZERO); } void kvm_arch_free_vm(struct kvm *kvm) diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 3155c9e778f0..b5cfd9ba650c 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -465,7 +465,7 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu) return -EINVAL; } - pgt = kzalloc(sizeof(*pgt), GFP_KERNEL); + pgt = kzalloc(sizeof(*pgt), GFP_KERNEL_ACCOUNT); if (!pgt) return -ENOMEM; diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c index f33825c995cb..05d42f6b89e4 100644 --- a/arch/arm64/kvm/pmu-emul.c +++ b/arch/arm64/kvm/pmu-emul.c @@ -971,7 +971,7 @@ int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr) mutex_lock(&vcpu->kvm->lock); if (!vcpu->kvm->arch.pmu_filter) { - vcpu->kvm->arch.pmu_filter = bitmap_alloc(nr_events, GFP_KERNEL); + vcpu->kvm->arch.pmu_filter = bitmap_alloc(nr_events, GFP_KERNEL_ACCOUNT); if (!vcpu->kvm->arch.pmu_filter) { mutex_unlock(&vcpu->kvm->lock); return -ENOMEM; diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c index cba7872d69a8..608c1baaaa63 100644 --- a/arch/arm64/kvm/reset.c +++ b/arch/arm64/kvm/reset.c @@ -106,7 +106,7 @@ static int kvm_vcpu_finalize_sve(struct kvm_vcpu *vcpu) vl > SVE_VL_ARCH_MAX)) return -EIO; - buf = kzalloc(SVE_SIG_REGS_SIZE(sve_vq_from_vl(vl)), GFP_KERNEL); + buf = kzalloc(SVE_SIG_REGS_SIZE(sve_vq_from_vl(vl)), GFP_KERNEL_ACCOUNT); if (!buf) return -ENOMEM; -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E4D0C432BE for ; Thu, 2 Sep 2021 00:28:34 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id C02666108B for ; Thu, 2 Sep 2021 00:28:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C02666108B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; 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Wed, 1 Sep 2021 20:28:22 -0400 (EDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8D2DA11D4; Wed, 1 Sep 2021 17:28:22 -0700 (PDT) Received: from entos-ampere-02.shanghai.arm.com (entos-ampere-02.shanghai.arm.com [10.169.214.103]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 234253F766; Wed, 1 Sep 2021 17:28:16 -0700 (PDT) From: Jia He To: Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose Subject: [PATCH 2/2] KVM: arm64: Add memcg accounting to KVM allocations Date: Thu, 2 Sep 2021 08:28:01 +0800 Message-Id: <20210902002801.32618-2-justin.he@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210902002801.32618-1-justin.he@arm.com> References: <20210902002801.32618-1-justin.he@arm.com> Cc: Xiaoming Ni , Lorenzo Pieralisi , Jia He , Kees Cook , Shenming Lu , Catalin Marinas , Nick Desaulniers , linux-kernel@vger.kernel.org, Liu Shixin , Sami Tolvanen , Will Deacon , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Inspired by commit 254272ce6505 ("kvm: x86: Add memcg accounting to KVM allocations"), it would be better to make arm64 KVM consistent with common kvm codes. The memory allocations of VM scope should be charged into VM process cgroup, hence change GFP_KERNEL to GFP_KERNEL_ACCOUNT. There remained a few cases since these allocations are global, not in VM scope. Signed-off-by: Jia He --- arch/arm64/kvm/arm.c | 6 ++++-- arch/arm64/kvm/mmu.c | 2 +- arch/arm64/kvm/pmu-emul.c | 2 +- arch/arm64/kvm/reset.c | 2 +- 4 files changed, 7 insertions(+), 5 deletions(-) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index e9a2b8f27792..9d6f5bcaddef 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -289,10 +289,12 @@ long kvm_arch_dev_ioctl(struct file *filp, struct kvm *kvm_arch_alloc_vm(void) { + unsigned long sz = sizeof(struct kvm); + if (!has_vhe()) - return kzalloc(sizeof(struct kvm), GFP_KERNEL); + return kzalloc(sz, GFP_KERNEL | GFP_KERNEL_ACCOUNT); - return vzalloc(sizeof(struct kvm)); + return __vmalloc(sz, GFP_KERNEL_ACCOUNT | __GFP_HIGHMEM | __GFP_ZERO); } void kvm_arch_free_vm(struct kvm *kvm) diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 3155c9e778f0..b5cfd9ba650c 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -465,7 +465,7 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu) return -EINVAL; } - pgt = kzalloc(sizeof(*pgt), GFP_KERNEL); + pgt = kzalloc(sizeof(*pgt), GFP_KERNEL_ACCOUNT); if (!pgt) return -ENOMEM; diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c index f33825c995cb..05d42f6b89e4 100644 --- a/arch/arm64/kvm/pmu-emul.c +++ b/arch/arm64/kvm/pmu-emul.c @@ -971,7 +971,7 @@ int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr) mutex_lock(&vcpu->kvm->lock); if (!vcpu->kvm->arch.pmu_filter) { - vcpu->kvm->arch.pmu_filter = bitmap_alloc(nr_events, GFP_KERNEL); + vcpu->kvm->arch.pmu_filter = bitmap_alloc(nr_events, GFP_KERNEL_ACCOUNT); if (!vcpu->kvm->arch.pmu_filter) { mutex_unlock(&vcpu->kvm->lock); return -ENOMEM; diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c index cba7872d69a8..608c1baaaa63 100644 --- a/arch/arm64/kvm/reset.c +++ b/arch/arm64/kvm/reset.c @@ -106,7 +106,7 @@ static int kvm_vcpu_finalize_sve(struct kvm_vcpu *vcpu) vl > SVE_VL_ARCH_MAX)) return -EIO; - buf = kzalloc(SVE_SIG_REGS_SIZE(sve_vq_from_vl(vl)), GFP_KERNEL); + buf = kzalloc(SVE_SIG_REGS_SIZE(sve_vq_from_vl(vl)), GFP_KERNEL_ACCOUNT); if (!buf) return -ENOMEM; -- 2.17.1 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2C5FBC432BE for ; Thu, 2 Sep 2021 00:30:35 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E1F4A61074 for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Inspired by commit 254272ce6505 ("kvm: x86: Add memcg accounting to KVM allocations"), it would be better to make arm64 KVM consistent with common kvm codes. The memory allocations of VM scope should be charged into VM process cgroup, hence change GFP_KERNEL to GFP_KERNEL_ACCOUNT. There remained a few cases since these allocations are global, not in VM scope. Signed-off-by: Jia He --- arch/arm64/kvm/arm.c | 6 ++++-- arch/arm64/kvm/mmu.c | 2 +- arch/arm64/kvm/pmu-emul.c | 2 +- arch/arm64/kvm/reset.c | 2 +- 4 files changed, 7 insertions(+), 5 deletions(-) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index e9a2b8f27792..9d6f5bcaddef 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -289,10 +289,12 @@ long kvm_arch_dev_ioctl(struct file *filp, struct kvm *kvm_arch_alloc_vm(void) { + unsigned long sz = sizeof(struct kvm); + if (!has_vhe()) - return kzalloc(sizeof(struct kvm), GFP_KERNEL); + return kzalloc(sz, GFP_KERNEL | GFP_KERNEL_ACCOUNT); - return vzalloc(sizeof(struct kvm)); + return __vmalloc(sz, GFP_KERNEL_ACCOUNT | __GFP_HIGHMEM | __GFP_ZERO); } void kvm_arch_free_vm(struct kvm *kvm) diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 3155c9e778f0..b5cfd9ba650c 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -465,7 +465,7 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu) return -EINVAL; } - pgt = kzalloc(sizeof(*pgt), GFP_KERNEL); + pgt = kzalloc(sizeof(*pgt), GFP_KERNEL_ACCOUNT); if (!pgt) return -ENOMEM; diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c index f33825c995cb..05d42f6b89e4 100644 --- a/arch/arm64/kvm/pmu-emul.c +++ b/arch/arm64/kvm/pmu-emul.c @@ -971,7 +971,7 @@ int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr) mutex_lock(&vcpu->kvm->lock); if (!vcpu->kvm->arch.pmu_filter) { - vcpu->kvm->arch.pmu_filter = bitmap_alloc(nr_events, GFP_KERNEL); + vcpu->kvm->arch.pmu_filter = bitmap_alloc(nr_events, GFP_KERNEL_ACCOUNT); if (!vcpu->kvm->arch.pmu_filter) { mutex_unlock(&vcpu->kvm->lock); return -ENOMEM; diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c index cba7872d69a8..608c1baaaa63 100644 --- a/arch/arm64/kvm/reset.c +++ b/arch/arm64/kvm/reset.c @@ -106,7 +106,7 @@ static int kvm_vcpu_finalize_sve(struct kvm_vcpu *vcpu) vl > SVE_VL_ARCH_MAX)) return -EIO; - buf = kzalloc(SVE_SIG_REGS_SIZE(sve_vq_from_vl(vl)), GFP_KERNEL); + buf = kzalloc(SVE_SIG_REGS_SIZE(sve_vq_from_vl(vl)), GFP_KERNEL_ACCOUNT); if (!buf) return -ENOMEM; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel