From: Anshuman Khandual <khandual@linux.vnet.ibm.com> To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: mhocko@suse.com, js1304@gmail.com, vbabka@suse.cz, mgorman@suse.de, minchan@kernel.org, akpm@linux-foundation.org, aneesh.kumar@linux.vnet.ibm.com, bsingharora@gmail.com Subject: [DEBUG 02/10] powerpc/mm: Create numa nodes for hotplug memory Date: Mon, 24 Oct 2016 10:12:21 +0530 [thread overview] Message-ID: <1477284149-2976-3-git-send-email-khandual@linux.vnet.ibm.com> (raw) In-Reply-To: <1477284149-2976-1-git-send-email-khandual@linux.vnet.ibm.com> From: Reza Arbab <arbab@linux.vnet.ibm.com> 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 <arbab@linux.vnet.ibm.com> Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com> --- 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 a51c188..42fcc8e 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -708,6 +708,12 @@ 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; @@ -752,7 +758,7 @@ 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; @@ -1044,7 +1050,7 @@ 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; -- 2.1.0
WARNING: multiple messages have this Message-ID (diff)
From: Anshuman Khandual <khandual@linux.vnet.ibm.com> To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: mhocko@suse.com, js1304@gmail.com, vbabka@suse.cz, mgorman@suse.de, minchan@kernel.org, akpm@linux-foundation.org, aneesh.kumar@linux.vnet.ibm.com, bsingharora@gmail.com Subject: [DEBUG 02/10] powerpc/mm: Create numa nodes for hotplug memory Date: Mon, 24 Oct 2016 10:12:21 +0530 [thread overview] Message-ID: <1477284149-2976-3-git-send-email-khandual@linux.vnet.ibm.com> (raw) In-Reply-To: <1477284149-2976-1-git-send-email-khandual@linux.vnet.ibm.com> From: Reza Arbab <arbab@linux.vnet.ibm.com> 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 <arbab@linux.vnet.ibm.com> Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com> --- 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 a51c188..42fcc8e 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -708,6 +708,12 @@ 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; @@ -752,7 +758,7 @@ 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; @@ -1044,7 +1050,7 @@ 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; -- 2.1.0 -- 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: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2016-10-24 4:42 UTC|newest] Thread overview: 135+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-10-24 4:31 [RFC 0/8] Define coherent device memory node Anshuman Khandual 2016-10-24 4:31 ` Anshuman Khandual 2016-10-24 4:31 ` [RFC 1/8] mm: " Anshuman Khandual 2016-10-24 4:31 ` Anshuman Khandual 2016-10-24 17:09 ` Dave Hansen 2016-10-24 17:09 ` Dave Hansen 2016-10-25 1:22 ` Anshuman Khandual 2016-10-25 1:22 ` Anshuman Khandual 2016-10-25 15:47 ` Dave Hansen 2016-10-25 15:47 ` Dave Hansen 2016-10-24 4:31 ` [RFC 2/8] mm: Add specialized fallback zonelist for coherent device memory nodes Anshuman Khandual 2016-10-24 4:31 ` Anshuman Khandual 2016-10-24 17:10 ` Dave Hansen 2016-10-24 17:10 ` Dave Hansen 2016-10-25 1:27 ` Anshuman Khandual 2016-10-25 1:27 ` Anshuman Khandual 2016-11-17 7:40 ` Anshuman Khandual 2016-11-17 7:40 ` Anshuman Khandual 2016-11-17 7:59 ` [DRAFT 1/2] mm/cpuset: Exclude CDM nodes from each task's mems_allowed node mask Anshuman Khandual 2016-11-17 7:59 ` Anshuman Khandual 2016-11-17 7:59 ` [DRAFT 2/2] mm/hugetlb: Restrict HugeTLB allocations only to the system RAM nodes Anshuman Khandual 2016-11-17 7:59 ` Anshuman Khandual 2016-11-17 8:28 ` [DRAFT 1/2] mm/cpuset: Exclude CDM nodes from each task's mems_allowed node mask kbuild test robot 2016-10-24 4:31 ` [RFC 3/8] mm: Isolate coherent device memory nodes from HugeTLB allocation paths Anshuman Khandual 2016-10-24 4:31 ` Anshuman Khandual 2016-10-24 17:16 ` Dave Hansen 2016-10-24 17:16 ` Dave Hansen 2016-10-25 4:15 ` Aneesh Kumar K.V 2016-10-25 4:15 ` Aneesh Kumar K.V 2016-10-25 7:17 ` Balbir Singh 2016-10-25 7:17 ` Balbir Singh 2016-10-25 7:25 ` Balbir Singh 2016-10-25 7:25 ` Balbir Singh 2016-10-24 4:31 ` [RFC 4/8] mm: Accommodate coherent device memory nodes in MPOL_BIND implementation Anshuman Khandual 2016-10-24 4:31 ` Anshuman Khandual 2016-10-24 4:31 ` [RFC 5/8] mm: Add new flag VM_CDM for coherent device memory Anshuman Khandual 2016-10-24 4:31 ` Anshuman Khandual 2016-10-24 17:38 ` Dave Hansen 2016-10-24 17:38 ` Dave Hansen 2016-10-24 18:00 ` Dave Hansen 2016-10-24 18:00 ` Dave Hansen 2016-10-25 12:36 ` Balbir Singh 2016-10-25 12:36 ` Balbir Singh 2016-10-25 19:20 ` Aneesh Kumar K.V 2016-10-25 19:20 ` Aneesh Kumar K.V 2016-10-25 20:01 ` Dave Hansen 2016-10-25 20:01 ` Dave Hansen 2016-10-24 4:31 ` [RFC 6/8] mm: Make VM_CDM marked VMAs non migratable Anshuman Khandual 2016-10-24 4:31 ` Anshuman Khandual 2016-10-24 4:31 ` [RFC 7/8] mm: Add a new migration function migrate_virtual_range() Anshuman Khandual 2016-10-24 4:31 ` Anshuman Khandual 2016-10-24 4:31 ` [RFC 8/8] mm: Add N_COHERENT_DEVICE node type into node_states[] Anshuman Khandual 2016-10-24 4:31 ` Anshuman Khandual 2016-10-25 7:22 ` Balbir Singh 2016-10-25 7:22 ` Balbir Singh 2016-10-26 4:52 ` Anshuman Khandual 2016-10-26 4:52 ` Anshuman Khandual 2016-10-24 4:42 ` [DEBUG 00/10] Test and debug patches for coherent device memory Anshuman Khandual 2016-10-24 4:42 ` Anshuman Khandual 2016-10-24 4:42 ` [DEBUG 01/10] dt-bindings: Add doc for ibm,hotplug-aperture Anshuman Khandual 2016-10-24 4:42 ` Anshuman Khandual 2016-10-24 4:42 ` Anshuman Khandual [this message] 2016-10-24 4:42 ` [DEBUG 02/10] powerpc/mm: Create numa nodes for hotplug memory Anshuman Khandual 2016-10-24 4:42 ` [DEBUG 03/10] powerpc/mm: Allow memory hotplug into a memory less node Anshuman Khandual 2016-10-24 4:42 ` Anshuman Khandual 2016-10-24 4:42 ` [DEBUG 04/10] mm: Enable CONFIG_MOVABLE_NODE on powerpc Anshuman Khandual 2016-10-24 4:42 ` Anshuman Khandual 2016-10-24 4:42 ` [DEBUG 05/10] powerpc/mm: Identify isolation seeking coherent memory nodes during boot Anshuman Khandual 2016-10-24 4:42 ` Anshuman Khandual 2016-10-24 4:42 ` [DEBUG 06/10] mm: Export definition of 'zone_names' array through mmzone.h Anshuman Khandual 2016-10-24 4:42 ` Anshuman Khandual 2016-10-24 4:42 ` [DEBUG 07/10] mm: Add debugfs interface to dump each node's zonelist information Anshuman Khandual 2016-10-24 4:42 ` Anshuman Khandual 2016-10-24 4:42 ` [DEBUG 08/10] powerpc: Enable CONFIG_MOVABLE_NODE for PPC64 platform Anshuman Khandual 2016-10-24 4:42 ` Anshuman Khandual 2016-10-24 4:42 ` [DEBUG 09/10] drivers: Add two drivers for coherent device memory tests Anshuman Khandual 2016-10-24 4:42 ` Anshuman Khandual 2016-10-24 4:42 ` [DEBUG 10/10] test: Add a script to perform random VMA migrations across nodes Anshuman Khandual 2016-10-24 4:42 ` Anshuman Khandual 2016-10-24 17:09 ` [RFC 0/8] Define coherent device memory node Jerome Glisse 2016-10-24 17:09 ` Jerome Glisse 2016-10-25 4:26 ` Aneesh Kumar K.V 2016-10-25 4:26 ` Aneesh Kumar K.V 2016-10-25 15:16 ` Jerome Glisse 2016-10-25 15:16 ` Jerome Glisse 2016-10-26 11:09 ` Aneesh Kumar K.V 2016-10-26 11:09 ` Aneesh Kumar K.V 2016-10-26 16:07 ` Jerome Glisse 2016-10-26 16:07 ` Jerome Glisse 2016-10-28 5:29 ` Aneesh Kumar K.V 2016-10-28 5:29 ` Aneesh Kumar K.V 2016-10-28 16:16 ` Jerome Glisse 2016-10-28 16:16 ` Jerome Glisse 2016-11-05 5:21 ` Anshuman Khandual 2016-11-05 5:21 ` Anshuman Khandual 2016-11-05 18:02 ` Jerome Glisse 2016-11-05 18:02 ` Jerome Glisse 2016-10-25 4:59 ` Aneesh Kumar K.V 2016-10-25 4:59 ` Aneesh Kumar K.V 2016-10-25 15:32 ` Jerome Glisse 2016-10-25 15:32 ` Jerome Glisse 2016-10-25 17:31 ` Aneesh Kumar K.V 2016-10-25 17:31 ` Aneesh Kumar K.V 2016-10-25 18:52 ` Jerome Glisse 2016-10-25 18:52 ` Jerome Glisse 2016-10-26 11:13 ` Anshuman Khandual 2016-10-26 11:13 ` Anshuman Khandual 2016-10-26 16:02 ` Jerome Glisse 2016-10-26 16:02 ` Jerome Glisse 2016-10-27 4:38 ` Anshuman Khandual 2016-10-27 4:38 ` Anshuman Khandual 2016-10-27 7:03 ` Anshuman Khandual 2016-10-27 7:03 ` Anshuman Khandual 2016-10-27 15:05 ` Jerome Glisse 2016-10-27 15:05 ` Jerome Glisse 2016-10-28 5:47 ` Anshuman Khandual 2016-10-28 5:47 ` Anshuman Khandual 2016-10-28 16:08 ` Jerome Glisse 2016-10-28 16:08 ` Jerome Glisse 2016-10-26 12:56 ` Anshuman Khandual 2016-10-26 12:56 ` Anshuman Khandual 2016-10-26 16:28 ` Jerome Glisse 2016-10-26 16:28 ` Jerome Glisse 2016-10-27 10:23 ` Balbir Singh 2016-10-27 10:23 ` Balbir Singh 2016-10-25 12:07 ` Balbir Singh 2016-10-25 12:07 ` Balbir Singh 2016-10-25 15:21 ` Jerome Glisse 2016-10-25 15:21 ` Jerome Glisse 2016-10-24 18:04 ` Dave Hansen 2016-10-24 18:04 ` Dave Hansen 2016-10-24 18:32 ` David Nellans 2016-10-24 18:32 ` David Nellans 2016-10-24 19:36 ` Dave Hansen 2016-10-24 19:36 ` Dave Hansen
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