From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33736) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bICuW-0002U9-BK for qemu-devel@nongnu.org; Wed, 29 Jun 2016 06:40:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bICuU-0003FA-Dr for qemu-devel@nongnu.org; Wed, 29 Jun 2016 06:39:59 -0400 Received: from mga02.intel.com ([134.134.136.20]:44938) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bICuU-0003F4-7R for qemu-devel@nongnu.org; Wed, 29 Jun 2016 06:39:58 -0400 From: Liang Li Date: Wed, 29 Jun 2016 18:32:16 +0800 Message-Id: <1467196340-22079-4-git-send-email-liang.z.li@intel.com> In-Reply-To: <1467196340-22079-1-git-send-email-liang.z.li@intel.com> References: <1467196340-22079-1-git-send-email-liang.z.li@intel.com> Subject: [Qemu-devel] [PATCH v2 kernel 3/7] mm: add a function to get the max pfn List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: mst@redhat.com Cc: linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, qemu-devel@nongnu.org, virtio-dev@lists.oasis-open.org, dgilbert@redhat.com, quintela@redhat.com, Liang Li , Andrew Morton , Mel Gorman , Paolo Bonzini , Cornelia Huck , Amit Shah Expose the function to get the max pfn, so it can be used in the virtio-balloon device driver. Signed-off-by: Liang Li Cc: Andrew Morton Cc: Mel Gorman Cc: Michael S. Tsirkin Cc: Paolo Bonzini Cc: Cornelia Huck Cc: Amit Shah --- mm/page_alloc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 6903b69..2083b40 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4515,6 +4515,12 @@ void show_free_areas(unsigned int filter) show_swap_cache_info(); } +unsigned long get_max_pfn(void) +{ + return max_pfn; +} +EXPORT_SYMBOL(get_max_pfn); + static void zoneref_set_zone(struct zone *zone, struct zoneref *zoneref) { zoneref->zone = zone; -- 1.8.3.1