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,URIBL_BLOCKED,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 151AAC433E0 for ; Mon, 25 Jan 2021 03:58:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CDBCF225A9 for ; Mon, 25 Jan 2021 03:58:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726894AbhAYD6a (ORCPT ); Sun, 24 Jan 2021 22:58:30 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:11855 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726677AbhAYD63 (ORCPT ); Sun, 24 Jan 2021 22:58:29 -0500 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4DPGJK3ZDJz7Z5S; Mon, 25 Jan 2021 11:56:33 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.498.0; Mon, 25 Jan 2021 11:57:41 +0800 From: Tian Tao To: CC: Subject: [PATCH] KVM: X86: use vzalloc() instead of vmalloc/memset Date: Mon, 25 Jan 2021 11:57:25 +0800 Message-ID: <1611547045-13669-1-git-send-email-tiantao6@hisilicon.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org fixed the following warning： /virt/kvm/dirty_ring.c:70:20-27: WARNING: vzalloc should be used for ring -> dirty_gfns, instead of vmalloc/memset. Signed-off-by: Tian Tao --- virt/kvm/dirty_ring.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/virt/kvm/dirty_ring.c b/virt/kvm/dirty_ring.c index 9d01299..790f173 100644 --- a/virt/kvm/dirty_ring.c +++ b/virt/kvm/dirty_ring.c @@ -67,10 +67,9 @@ static void kvm_reset_dirty_gfn(struct kvm *kvm, u32 slot, u64 offset, u64 mask) int kvm_dirty_ring_alloc(struct kvm_dirty_ring *ring, int index, u32 size) { - ring->dirty_gfns = vmalloc(size); + ring->dirty_gfns = vzalloc(size); if (!ring->dirty_gfns) return -ENOMEM; - memset(ring->dirty_gfns, 0, size); ring->size = size / sizeof(struct kvm_dirty_gfn); ring->soft_limit = ring->size - kvm_dirty_ring_get_rsvd_entries(); -- 2.7.4