From patchwork Wed Dec 5 01:15:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Hao X-Patchwork-Id: 10712861 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5A84D13AF for ; Wed, 5 Dec 2018 00:55:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 426992B4B1 for ; Wed, 5 Dec 2018 00:55:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 31DC82C988; Wed, 5 Dec 2018 00:55:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C38572B4B1 for ; Wed, 5 Dec 2018 00:55:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=NNO2lgGkpfF75/yi3FhJlY/CgzoPz61X2vWmzWgRBnc=; b=NMm 7OCcTAWuoilMReL7zgRveAMh3E3cHCi0j88N7oYoMhfg8E/qcSO3YnbHzYb+GXqCvmU71cxXOLujn 0H7u5JeVePDsVQGRAJnx+W5ScSyuNdTc1urMA+K+ATffedNNe4gcmJs0e1Ie23NPUJb8j2vsTtCsN wS7jM/0ZfyO9KIXw+6EebTl8ddgXOZugEBkduCpHkBpAjnsBFGq/E3tu8ToZ3AfTb65BDysde5o2d ZbgbNHHNv7LOTO6t1g2wbDmtwOATPC5AJwu0aapb2TvUpcDx643k/9rF5wuihoFEd37aGhncg2VF8 S/YeE36WoOaR4gQwAW5oAyeAR5b3Kxw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gULSt-0001VK-OJ; Wed, 05 Dec 2018 00:54:59 +0000 Received: from out1.zte.com.cn ([202.103.147.172] helo=mxct.zte.com.cn) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gULSq-0001QZ-1b for linux-arm-kernel@lists.infradead.org; Wed, 05 Dec 2018 00:54:58 +0000 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 70BF2FA57192F284CD9B; Wed, 5 Dec 2018 08:54:37 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id wB50sVtn050945; Wed, 5 Dec 2018 08:54:31 +0800 (GMT-8) (envelope-from peng.hao2@zte.com.cn) Received: from localhost.localdomain.localdomain ([10.74.120.59]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2018120508544998-14779780 ; Wed, 5 Dec 2018 08:54:49 +0800 From: Peng Hao To: christoffer.dall@arm.com, marc.zyngier@arm.com Subject: [PATCH] kvm/arm: return 0 when the number of objects is not less than min Date: Wed, 5 Dec 2018 09:15:51 +0800 Message-Id: <1543972551-60951-1-git-send-email-peng.hao2@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2018-12-05 08:54:50, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2018-12-05 08:54:23, Serialize complete at 2018-12-05 08:54:23 X-MAIL: mse01.zte.com.cn wB50sVtn050945 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181204_165456_259001_3C3E3F3C X-CRM114-Status: GOOD ( 12.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peng Hao , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Return 0 when there is enough kvm_mmu_memory_cache object. Signed-off-by: Peng Hao --- virt/kvm/arm/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c index ed162a6..fcda0ce 100644 --- a/virt/kvm/arm/mmu.c +++ b/virt/kvm/arm/mmu.c @@ -127,7 +127,7 @@ static int mmu_topup_memory_cache(struct kvm_mmu_memory_cache *cache, while (cache->nobjs < max) { page = (void *)__get_free_page(PGALLOC_GFP); if (!page) - return -ENOMEM; + return cache->nobjs >= min ? 0 : -ENOMEM; cache->objects[cache->nobjs++] = page; } return 0;