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[35.194.87.55]) by smtp.gmail.com with ESMTPSA id f27-20020ac86edb000000b0041ea59e639bsm787447qtv.70.2023.11.30.12.04.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Nov 2023 12:04:49 -0800 (PST) From: Pasha Tatashin To: akpm@linux-foundation.org, linux-mm@kvack.org, pasha.tatashin@soleen.com, mst@redhat.com, jasowang@redhat.com, kvm@vger.kernel.org, virtualization@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] vhost-vdpa: account iommu allocations Date: Thu, 30 Nov 2023 20:04:47 +0000 Message-ID: <20231130200447.2319543-1-pasha.tatashin@soleen.com> X-Mailer: git-send-email 2.43.0.rc2.451.g8631bc7472-goog MIME-Version: 1.0 X-Rspam-User: X-Stat-Signature: as3an6owk9entah8rystjanusyckffhi X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 187A1100022 X-HE-Tag: 1701374690-885909 X-HE-Meta: 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 2qzLZAAj ex2h+gr44D6nlK5/oxaR9HHkJCgLlG9mJIsLj9coemIhgoxmRpzZWJkIPppLluUCVxptxA1F9odVMkDAnNVhCXYAkEQymVgTeGZ7Vbkh02UJxpYfEQejz8Q/3jEsyikMl+0n272LuVupvWWBcZp08ghFC+fQCwZpfWnFq+BcAyPPBzdqf2SaFVo+Q6nUKqhK6jAraesBEF0ZgFX0h9EA5xrf8zeeeG4uZAFL3gXrD8yTdTwrcEG1RNC4V4FGk6fxOAssHPW4SH6b7had1Hbqug9sz03m7nYFotE3iRVtfgyjKzWDWbBvnlVlsDW3F7zW1kmraUV96Bv6WhxiUpuroPAxJaTeNecwVYxwC0DvY5eOJX+HstbJRVVhlkAwVKk78L8E5JD55rHBVeG01FJ9pSIUkGwrsU4L//ZpsXgZoiO22C9VshGVoocu9OgWlVUbJrOpxY933l58jZdg= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000433, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: iommu allocations should be accounted in order to allow admins to monitor and limit the amount of iommu memory. Signed-off-by: Pasha Tatashin --- drivers/vhost/vdpa.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) This patch is spinned of from the series: https://lore.kernel.org/all/20231128204938.1453583-1-pasha.tatashin@soleen.com diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index da7ec77cdaff..a51c69c078d9 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -968,7 +968,8 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, struct vhost_iotlb *iotlb, r = ops->set_map(vdpa, asid, iotlb); } else { r = iommu_map(v->domain, iova, pa, size, - perm_to_iommu_flags(perm), GFP_KERNEL); + perm_to_iommu_flags(perm), + GFP_KERNEL_ACCOUNT); } if (r) { vhost_iotlb_del_range(iotlb, iova, iova + size - 1);