From patchwork Wed Jan 5 21:47:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zi Yan X-Patchwork-Id: 1575873 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=sent.com header.i=@sent.com header.a=rsa-sha256 header.s=fm2 header.b=W9rMnsZR; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.a=rsa-sha256 header.s=fm1 header.b=kO2uSSXr; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4JTjsb1LHDz9sPC for ; Thu, 6 Jan 2022 08:53:23 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4JTjsb0BHXz30jP for ; Thu, 6 Jan 2022 08:53:23 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=sent.com header.i=@sent.com header.a=rsa-sha256 header.s=fm2 header.b=W9rMnsZR; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.a=rsa-sha256 header.s=fm1 header.b=kO2uSSXr; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=sent.com (client-ip=66.111.4.230; helo=new4-smtp.messagingengine.com; envelope-from=zi.yan@sent.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=sent.com header.i=@sent.com header.a=rsa-sha256 header.s=fm2 header.b=W9rMnsZR; dkim=pass (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.a=rsa-sha256 header.s=fm1 header.b=kO2uSSXr; dkim-atps=neutral Received: from new4-smtp.messagingengine.com (new4-smtp.messagingengine.com [66.111.4.230]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4JTjm115hyz2yHS for ; Thu, 6 Jan 2022 08:48:33 +1100 (AEDT) Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailnew.nyi.internal (Postfix) with ESMTP id 73DD3580569; Wed, 5 Jan 2022 16:48:28 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute6.internal (MEProxy); Wed, 05 Jan 2022 16:48:28 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sent.com; h=from :to:cc:subject:date:message-id:in-reply-to:references:reply-to :mime-version:content-transfer-encoding; s=fm2; bh=kJxpjApBzoVvC kd49IN11sRCxgdbdXjwUm6fGe2ajOg=; b=W9rMnsZRyKPY8hxaUtB1n45xh/WyS fg4Hd6Wv7LLs3JFu45mfiZqlQkvgxYzRQXfumen4MEH/Jwzlli73/5/pvMeraycO 9eKEoyFnpmYyLHznxRj6xK++R6NCUXFAVU8oXlPGXgxRR2Wgg3+oF6b6ZDvMahUV GpxYVYWNEkOoKLXIkG1rE+Bw44KmtUlQZzw9Ofns2eNpZrNWcpNgy6pLxxJrTvgU TVw/gddpMjYKFZxlwg7hzcuzu3rmYBYAnkK+TzJM6TLXsTeaFrdv+ytH17+QQyu5 EiFrxm4fmZSmrLIj9T2ZcfRdSl4RWpD9X5ZT7XnA6zxCyKnNedvOIXE4Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:reply-to:subject :to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; bh=kJxpjApBzoVvCkd49IN11sRCxgdbdXjwUm6fGe2ajOg=; b=kO2uSSXr joqeXbL1xK0ixZIGTvPiqETF+2nWYNLoYKVIwY6GFJd5q7eyqoaLTSADlAqszsgE 4xC/fNTrHhSs9Nwjdv6/bJBZ/OOKplWUVcto1VtAd7FNtVL1wsjtsyWNEW6PzXDr lq7NT6H1BtpUP0ZnYTMnoJrAdSVOE/AdkxGW6HtbYC8YoY759LdF8HcZNChLieK9 3eu4QU+b1qTGTIXi7R5S+K8CnkmU5UWP4pugbG6M3uA0XOPIPbcYtzJ19FwsUBsv 5QqK9zyUkYcjCvYWg+6Pz8yZ2OWlB7yPjORFhAaPt5LxBT7V2xhsma2gSya5PG3R xRuXzouDZOqy8g== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvuddrudefjedgieekucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfrhgggfestdhqredtredttdenucfhrhhomhepkghiucgj rghnuceoiihirdihrghnsehsvghnthdrtghomheqnecuggftrfgrthhtvghrnhepieejue dvueduuefhgefhheeiuedvtedvuefgieegveetueeiueehtdegudehfeelnecuvehluhhs thgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepiihirdihrghnsehsvg hnthdrtghomh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 5 Jan 2022 16:48:27 -0500 (EST) From: Zi Yan To: David Hildenbrand , linux-mm@kvack.org Subject: [RFC PATCH v3 7/8] drivers: virtio_mem: use pageblock size as the minimum virtio_mem size. Date: Wed, 5 Jan 2022 16:47:55 -0500 Message-Id: <20220105214756.91065-8-zi.yan@sent.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220105214756.91065-1-zi.yan@sent.com> References: <20220105214756.91065-1-zi.yan@sent.com> MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Zi Yan Cc: Mel Gorman , Zi Yan , Robin Murphy , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Eric Ren , virtualization@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, Christoph Hellwig , Vlastimil Babka , Marek Szyprowski Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Zi Yan alloc_contig_range() now only needs to be aligned to pageblock_order, drop virtio_mem size requirement that it needs to be the max of pageblock_order and MAX_ORDER. Signed-off-by: Zi Yan --- drivers/virtio/virtio_mem.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c index a6a78685cfbe..2664dc16d0f9 100644 --- a/drivers/virtio/virtio_mem.c +++ b/drivers/virtio/virtio_mem.c @@ -2481,8 +2481,7 @@ static int virtio_mem_init_hotplug(struct virtio_mem *vm) * - Is required for now for alloc_contig_range() to work reliably - * it doesn't properly handle smaller granularity on ZONE_NORMAL. */ - sb_size = max_t(uint64_t, MAX_ORDER_NR_PAGES, - pageblock_nr_pages) * PAGE_SIZE; + sb_size = pageblock_nr_pages * PAGE_SIZE; sb_size = max_t(uint64_t, vm->device_block_size, sb_size); if (sb_size < memory_block_size_bytes() && !force_bbm) {