From patchwork Fri Mar 4 11:01:10 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Guangrong X-Patchwork-Id: 608601 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p24B0ehJ012885 for ; Fri, 4 Mar 2011 11:00:40 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759473Ab1CDLAR (ORCPT ); Fri, 4 Mar 2011 06:00:17 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:55222 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752084Ab1CDLAP (ORCPT ); Fri, 4 Mar 2011 06:00:15 -0500 Received: from tang.cn.fujitsu.com (tang.cn.fujitsu.com [10.167.250.3]) by song.cn.fujitsu.com (Postfix) with ESMTP id 8442A17003F; Fri, 4 Mar 2011 19:00:14 +0800 (CST) Received: from mailserver.fnst.cn.fujitus.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id p24AsKbF002213; Fri, 4 Mar 2011 18:54:21 +0800 Received: from eric.localdomain ([10.167.225.99]) by mailserver.fnst.cn.fujitus.com (Lotus Domino Release 8.5.1FP4) with ESMTP id 2011030418590242-286078 ; Fri, 4 Mar 2011 18:59:02 +0800 Message-ID: <4D70C676.5050602@cn.fujitsu.com> Date: Fri, 04 Mar 2011 19:01:10 +0800 From: Xiao Guangrong User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc14 Thunderbird/3.1.7 MIME-Version: 1.0 To: Avi Kivity CC: Marcelo Tosatti , LKML , KVM Subject: [PATCH 8/10] KVM: MMU: cleanup page alloc and free References: <4D70C569.1030107@cn.fujitsu.com> In-Reply-To: <4D70C569.1030107@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-03-04 18:59:02, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-03-04 18:59:05, Serialize complete at 2011-03-04 18:59:05 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Fri, 04 Mar 2011 11:00:40 +0000 (UTC) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 8acb8e3..7d558b8 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -379,15 +379,15 @@ static void mmu_free_memory_cache(struct kvm_mmu_memory_cache *mc, static int mmu_topup_memory_cache_page(struct kvm_mmu_memory_cache *cache, int min) { - struct page *page; + void *page; if (cache->nobjs >= min) return 0; while (cache->nobjs < ARRAY_SIZE(cache->objects)) { - page = alloc_page(GFP_KERNEL); + page = (void *)__get_free_page(GFP_KERNEL); if (!page) return -ENOMEM; - cache->objects[cache->nobjs++] = page_address(page); + cache->objects[cache->nobjs++] = page; } return 0; } @@ -1043,9 +1043,9 @@ static void kvm_mmu_free_page(struct kvm *kvm, struct kvm_mmu_page *sp) ASSERT(is_empty_shadow_page(sp->spt)); hlist_del(&sp->hash_link); list_del(&sp->link); - __free_page(virt_to_page(sp->spt)); + free_page((unsigned long)sp->spt); if (!sp->role.direct) - __free_page(virt_to_page(sp->gfns)); + free_page((unsigned long)sp->gfns); kmem_cache_free(mmu_page_header_cache, sp); kvm_mod_used_mmu_pages(kvm, -1); }