From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wj0-f198.google.com (mail-wj0-f198.google.com [209.85.210.198]) by kanga.kvack.org (Postfix) with ESMTP id 236146B026D for ; Tue, 22 Nov 2016 09:20:17 -0500 (EST) Received: by mail-wj0-f198.google.com with SMTP id j10so9324565wjb.3 for ; Tue, 22 Nov 2016 06:20:17 -0800 (PST) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com. [148.163.158.5]) by mx.google.com with ESMTPS id gs7si25844964wjc.209.2016.11.22.06.20.15 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 22 Nov 2016 06:20:16 -0800 (PST) Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id uAMEItQi066431 for ; Tue, 22 Nov 2016 09:20:14 -0500 Received: from e23smtp05.au.ibm.com (e23smtp05.au.ibm.com [202.81.31.147]) by mx0b-001b2d01.pphosted.com with ESMTP id 26vm47a8y5-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 22 Nov 2016 09:20:13 -0500 Received: from localhost by e23smtp05.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 23 Nov 2016 00:20:11 +1000 Received: from d23relay07.au.ibm.com (d23relay07.au.ibm.com [9.190.26.37]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 1D8B33578056 for ; Wed, 23 Nov 2016 01:20:09 +1100 (EST) Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id uAMEK8Qo34209982 for ; Wed, 23 Nov 2016 01:20:08 +1100 Received: from d23av03.au.ibm.com (localhost [127.0.0.1]) by d23av03.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id uAMEK839016164 for ; Wed, 23 Nov 2016 01:20:08 +1100 From: Anshuman Khandual Subject: [DEBUG 06/12] powerpc/mm: Create numa nodes for hotplug memory Date: Tue, 22 Nov 2016 19:49:42 +0530 In-Reply-To: <1479824388-30446-1-git-send-email-khandual@linux.vnet.ibm.com> References: <1479824388-30446-1-git-send-email-khandual@linux.vnet.ibm.com> Message-Id: <1479824388-30446-7-git-send-email-khandual@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: mhocko@suse.com, vbabka@suse.cz, mgorman@suse.de, minchan@kernel.org, aneesh.kumar@linux.vnet.ibm.com, bsingharora@gmail.com, srikar@linux.vnet.ibm.com, haren@linux.vnet.ibm.com, jglisse@redhat.com, dave.hansen@intel.com From: Reza Arbab When scanning the device tree to initialize the system NUMA topology, process dt elements with compatible id "ibm,hotplug-aperture" to create memoryless numa nodes. These nodes will be filled when hotplug occurs within the associated address range. Signed-off-by: Reza Arbab Signed-off-by: Anshuman Khandual --- arch/powerpc/mm/numa.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index b625e0e..e4cb4e62 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -717,6 +717,12 @@ static void __init parse_drconf_memory(struct device_node *memory) } } +static const struct of_device_id memory_match[] = { + { .type = "memory" }, + { .compatible = "ibm,hotplug-aperture" }, + { /* sentinel */ } +}; + static int __init parse_numa_properties(void) { struct device_node *memory; @@ -761,7 +767,7 @@ static int __init parse_numa_properties(void) get_n_mem_cells(&n_mem_addr_cells, &n_mem_size_cells); - for_each_node_by_type(memory, "memory") { + for_each_matching_node(memory, memory_match) { unsigned long start; unsigned long size; int nid; @@ -1056,7 +1062,7 @@ static int hot_add_node_scn_to_nid(unsigned long scn_addr) struct device_node *memory; int nid = -1; - for_each_node_by_type(memory, "memory") { + for_each_matching_node(memory, memory_match) { unsigned long start, size; int ranges; const __be32 *memcell_buf; -- 1.8.3.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org