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 EE88AC33C9B for ; Tue, 7 Jan 2020 13:10:14 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B1A232072A 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" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B1A232072A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 3B0718E0030; Tue, 7 Jan 2020 08:10:14 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 339CD8E001E; Tue, 7 Jan 2020 08:10:14 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2021C8E0030; Tue, 7 Jan 2020 08:10:14 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0092.hostedemail.com [216.40.44.92]) by kanga.kvack.org (Postfix) with ESMTP id 040848E001E for ; Tue, 7 Jan 2020 08:10:14 -0500 (EST) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with SMTP id AC370180AD807 for ; Tue, 7 Jan 2020 13:10:13 +0000 (UTC) X-FDA: 76350871506.06.frame98_593caf0ccd742 X-HE-Tag: frame98_593caf0ccd742 X-Filterd-Recvd-Size: 3996 Received: from mail-pf1-f195.google.com (mail-pf1-f195.google.com [209.85.210.195]) by imf07.hostedemail.com (Postfix) with ESMTP for ; Tue, 7 Jan 2020 13:10:13 +0000 (UTC) Received: by mail-pf1-f195.google.com with SMTP id x185so28592540pfc.5 for ; Tue, 07 Jan 2020 05:10:13 -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=QjC6NIIzQ0H/CONpMoJ/ASkXI7QoM4jc5KC8MLAwp4sMvRzcF5BmSszrqUvl109pVB MnIfxTAoWmBeSoo5qOkEaXMF7GPpOV7oxYAOdYAtceFDrVeDhwdY6XXf6RpaYLnjhe3+ Lb73zvhQ+BBFSthFpMGwmVb7dPJnoqEqMGGr0qDloL5iQcEZh94Y2v7cm9UnoWtwLJjO dVPkoc25FH8R8KfyQswo/NcUiAV/ih3ZZe4n2xVL5hZXVBSrGMT3c0tHYYj35lStpHpc GitDOzaplFmGiisKrZ13GuZH/7BodwZz3E2tgaGTwvdq39YB05wicc10Fmak/JDVR8Z6 ebLA== X-Gm-Message-State: APjAAAWaZS61jJXD7fVwThIV1x0wSBBw08O4GViTsiYYVXjSu1qywuNU RCqtvw0JNTB6XEF9lsuGbf8= 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> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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