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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 794A3C33C9E for ; Tue, 7 Jan 2020 13:10:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4D0CE2072A for ; Tue, 7 Jan 2020 13:10:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="L/YDQNs0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728223AbgAGNKN (ORCPT ); Tue, 7 Jan 2020 08:10:13 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:44387 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727814AbgAGNKN (ORCPT ); Tue, 7 Jan 2020 08:10:13 -0500 Received: by mail-pf1-f193.google.com with SMTP id 195so27728286pfw.11; Tue, 07 Jan 2020 05:10:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=7VpROxxsQmteVCJCWl6rje7QI3OYOMNJtsxFthQWfkU=; b=L/YDQNs0YQdPQmLkKnGNRFKRbPvGcSD2QbZ4bNHgm5ODq0mUAIYQEG1ycQ3+JabrYO ouYQnlwqcIGumvAFI9wkqR1k3xv5gq3f/eyjqfmA+tElxXVfVu+4IAAV3BrtNhzC3Tjy x9v2FKgv2zLoiMciieNNMh8FEnAnbtzsUH9CwGIWbssUhMTwtBfRF+Thj39ZXS1KI+3z Fe9IM9lcLzdcBVlqKCMKRB4l4ds4yGvVwcJrOhUKijC/32qXFerXZ4/xCe1xQD/ZB8ts XbAJx6O3MPLFu488A2g44RxRjL7D2t1+n1q/2e+OheGsZ1mMFuLRsBu+aiRowiJXv/zv IHmg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=7VpROxxsQmteVCJCWl6rje7QI3OYOMNJtsxFthQWfkU=; b=INfzR2612O6NXoZuyQad9cb8ztQ+yeX/n9OAASN1E8CNvxEwlHgxKfkeFn5CPjqSZF 6rtwUgC+nulZqoWi+HP6GUKOdeDdHsRMFIlyhkUntpK1wHeKDR5fgN2E1JxhBTledjY2 +Yxf2evwu9F1xKO16E6x0jhrxST8InSktVEGi2suBjkiiGhcAFlZVsNmd4TBFg+C7kHq Jwn/pXGYRdM+QX0uPGmX1ILntlBI0vScKtjTeB52bmUi3UNBS0UaRPrAQ4RmJDI6Mfgk 9bJZEou+G6/sVuZrT5bhiiy8SaLlxw6odX2ZS9uvsRr22TYHw59T7bqxDd7fbdiT5sck hYYQ== X-Gm-Message-State: APjAAAW3lL90o/ciOZK30R5IDSLai/VCz9PRVFMD7ZW+dsNCXvFujQgf 2SQG6ptr8c4HRt54bB8d6w4= X-Google-Smtp-Source: APXvYqyuQRhSdjBWkr+00uZbJj1FJKSDtvjplvSlE9fSXf9xpI+PGU5cW0cjDdSnT7w9sFxEUf9ewg== X-Received: by 2002:a63:d54f:: with SMTP id v15mr120207809pgi.64.1578402612168; Tue, 07 Jan 2020 05:10:12 -0800 (PST) Received: from localhost.corp.microsoft.com ([167.220.255.5]) by smtp.googlemail.com with ESMTPSA id m71sm27522400pje.0.2020.01.07.05.10.07 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 07 Jan 2020 05:10:11 -0800 (PST) From: lantianyu1986@gmail.com X-Google-Original-From: Tianyu.Lan@microsoft.com To: kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, sashal@kernel.org, akpm@linux-foundation.org, michael.h.kelley@microsoft.com, david@redhat.com Cc: Tianyu Lan , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, vkuznets@redhat.com, eric.devolder@oracle.com, vbabka@suse.cz, osalvador@suse.de, pavel.tatashin@microsoft.com, rppt@linux.ibm.com, mhocko@suse.com Subject: [RFC PATCH V2 2/10] mm: expose is_mem_section_removable() symbol Date: Tue, 7 Jan 2020 21:09:42 +0800 Message-Id: <20200107130950.2983-3-Tianyu.Lan@microsoft.com> X-Mailer: git-send-email 2.14.5 In-Reply-To: <20200107130950.2983-1-Tianyu.Lan@microsoft.com> References: <20200107130950.2983-1-Tianyu.Lan@microsoft.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tianyu Lan Hyper-V balloon driver will use is_mem_section_removable() to check whether memory block is removable or not when receive memory hot remove msg. Expose it. Signed-off-by: Tianyu Lan --- mm/memory_hotplug.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index d04369e6d3cc..a4ebfc5c48b3 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1179,6 +1179,7 @@ bool is_mem_section_removable(unsigned long start_pfn, unsigned long nr_pages) /* All pageblocks in the memory block are likely to be hot-removable */ return true; } +EXPORT_SYMBOL_GPL(is_mem_section_removable); /* * Confirm all pages in a range [start, end) belong to the same zone. -- 2.14.5