From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw0-f197.google.com (mail-yw0-f197.google.com [209.85.161.197]) by kanga.kvack.org (Postfix) with ESMTP id BFFD56B002C for ; Fri, 13 Apr 2018 09:33:47 -0400 (EDT) Received: by mail-yw0-f197.google.com with SMTP id j80so5404869ywg.1 for ; Fri, 13 Apr 2018 06:33:47 -0700 (PDT) Received: from mx1.redhat.com (mx3-rdu2.redhat.com. [66.187.233.73]) by mx.google.com with ESMTPS id 80si7293628qkg.344.2018.04.13.06.33.46 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 13 Apr 2018 06:33:46 -0700 (PDT) From: David Hildenbrand Subject: [PATCH RFC 8/8] mm: export more functions used to online/offline memory Date: Fri, 13 Apr 2018 15:33:42 +0200 Message-Id: <20180413133344.3672-1-david@redhat.com> In-Reply-To: <20180413131632.1413-1-david@redhat.com> References: <20180413131632.1413-1-david@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: David Hildenbrand , Andrew Morton , Michal Hocko , Vlastimil Babka , Dan Williams , Pavel Tatashin , Thomas Gleixner , open list Kernel modules that want to control how/when memory is onlined/offlined need these functions. Signed-off-by: David Hildenbrand --- mm/memory_hotplug.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index ac14ea772792..3c374d308cf4 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -979,6 +979,7 @@ int __ref online_pages(unsigned long pfn, unsigned long nr_pages, int online_typ memory_notify(MEM_CANCEL_ONLINE, &arg); return ret; } +EXPORT_SYMBOL(online_pages); #endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */ static void reset_node_present_pages(pg_data_t *pgdat) @@ -1296,6 +1297,7 @@ 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(is_mem_section_removable); /* * Confirm all pages in a range [start, end) belong to the same zone. @@ -1752,6 +1754,7 @@ int offline_pages(unsigned long start_pfn, unsigned long nr_pages) { return __offline_pages(start_pfn, start_pfn + nr_pages); } +EXPORT_SYMBOL(offline_pages); #endif /* CONFIG_MEMORY_HOTREMOVE */ /** @@ -1802,6 +1805,7 @@ int walk_memory_range(unsigned long start_pfn, unsigned long end_pfn, return 0; } +EXPORT_SYMBOL(walk_memory_range); #ifdef CONFIG_MEMORY_HOTREMOVE static int check_memblock_offlined_cb(struct memory_block *mem, void *arg) -- 2.14.3