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[127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id E615588516 for ; Fri, 24 Apr 2020 16:30:54 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id pKfC5bteOP3J for ; Fri, 24 Apr 2020 16:30:53 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by hemlock.osuosl.org (Postfix) with ESMTP id AA75A87D7C for ; Fri, 24 Apr 2020 16:30:53 +0000 (UTC) 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 DA06131B; Fri, 24 Apr 2020 09:30:52 -0700 (PDT) Received: from [10.57.33.170] (unknown [10.57.33.170]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5A28E3F68F; Fri, 24 Apr 2020 09:30:52 -0700 (PDT) Subject: Re: iommu_iova slab eats too much memory To: Bin References: <562c9033-05b2-2a15-5294-f68e40c02e92@arm.com> <9157a31a-e6b5-4317-e50c-c69e1af094c5@arm.com> From: Robin Murphy Message-ID: Date: Fri, 24 Apr 2020 17:30:51 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-GB Cc: iommu@lists.linux-foundation.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gMjAyMC0wNC0yNCAyOjIwIHBtLCBCaW4gd3JvdGU6Cj4gRGVhciBSb2JpbjoKPiAgICAgIFRo YW5rIHlvdSBmb3IgeW91ciBleHBsYW5hdGlvbi4gTm93LCBJIHVuZGVyc3RhbmQgdGhhdCB0aGlz IGNvdWxkIGJlCj4gTklDIGRyaXZlcidzIGZhdWx0LCBidXQgaG93IGNvdWxkIEkgY29uZmlybSBp 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