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=-17.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 5F47BC433FE for ; Thu, 3 Dec 2020 17:09:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE954207A5 for ; Thu, 3 Dec 2020 17:09:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731485AbgLCRJc (ORCPT ); Thu, 3 Dec 2020 12:09:32 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:45093 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726091AbgLCRJb (ORCPT ); Thu, 3 Dec 2020 12:09:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607015285; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=u41/nZpJoK5Ju4QGFm7nipqpEf+2JFEaUGjz0pmi+Lk=; b=OoLSatlqGbXD1KXEwB7GykEp/b9kKBWjAdKR46J+trFlWRCq2It/QLX8rIpt8O7C3ediQw 7tDP/7Bv7cdvSF3bbAcvOJv/c9s+5AzmtIZ9yAZsssxhyLYv7b2R1ZoWkiZWOug8GNXW6+ zMqZdOC53x+Tr3Qp59UW9E5I9sFhbA4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-259-Q_XRWSj3OTuUmlZIoEP-kw-1; Thu, 03 Dec 2020 12:08:03 -0500 X-MC-Unique: Q_XRWSj3OTuUmlZIoEP-kw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 11CD4858180; Thu, 3 Dec 2020 17:08:02 +0000 (UTC) Received: from steredhat.redhat.com (ovpn-113-142.ams2.redhat.com [10.36.113.142]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7219C18A9E; Thu, 3 Dec 2020 17:07:52 +0000 (UTC) From: Stefano Garzarella To: virtualization@lists.linux-foundation.org Cc: Stefan Hajnoczi , "Michael S. Tsirkin" , Oren Duer , Jason Wang , Laurent Vivier , Stefano Garzarella , linux-kernel@vger.kernel.org, Max Gurtovoy , Shahaf Shuler , Eli Cohen Subject: [PATCH v3 16/19] vdpa_sim: use kvmalloc to allocate vdpasim->buffer Date: Thu, 3 Dec 2020 18:05:08 +0100 Message-Id: <20201203170511.216407-17-sgarzare@redhat.com> In-Reply-To: <20201203170511.216407-1-sgarzare@redhat.com> References: <20201203170511.216407-1-sgarzare@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The next patch will make the buffer size configurable from each device. Since the buffer could be larger than a page, we use kvmalloc() instead of kmalloc(). Acked-by: Jason Wang Signed-off-by: Stefano Garzarella --- drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index 1243b02488f7..fb714d88e77f 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -410,7 +410,7 @@ static struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr) if (!vdpasim->iommu) goto err_iommu; - vdpasim->buffer = kmalloc(PAGE_SIZE, GFP_KERNEL); + vdpasim->buffer = kvmalloc(PAGE_SIZE, GFP_KERNEL); if (!vdpasim->buffer) goto err_iommu; @@ -699,7 +699,7 @@ static void vdpasim_free(struct vdpa_device *vdpa) struct vdpasim *vdpasim = vdpa_to_sim(vdpa); cancel_work_sync(&vdpasim->work); - kfree(vdpasim->buffer); + kvfree(vdpasim->buffer); if (vdpasim->iommu) vhost_iotlb_free(vdpasim->iommu); kfree(vdpasim->vqs); -- 2.26.2