From: Cody P Schafer <cody@linux.vnet.ibm.com>
To: Linux MM <linux-mm@kvack.org>
Cc: Cody P Schafer <cody@linux.vnet.ibm.com>,
David Hansen <dave@linux.vnet.ibm.com>
Subject: [PATCH 23/24] x86/mm/numa: when dnuma is enabled, use memlayout to handle memory hotplug's physaddr_to_nid.
Date: Thu, 28 Feb 2013 13:57:26 -0800 [thread overview]
Message-ID: <1362088647-19726-3-git-send-email-cody@linux.vnet.ibm.com> (raw)
In-Reply-To: <1362088647-19726-1-git-send-email-cody@linux.vnet.ibm.com>
In-Reply-To: <1362084272-11282-1-git-send-email-cody@linux.vnet.ibm.com>
When a memlayout is tracked (ie: CONFIG_DYNAMIC_NUMA is enabled), rather
than iterate over numa_meminfo, a lookup can be done using memlayout.
Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
---
arch/x86/mm/numa.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index a2a8dd5..1ed76d5 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -28,7 +28,7 @@ struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
EXPORT_SYMBOL(node_data);
static struct numa_meminfo numa_meminfo
-#ifndef CONFIG_MEMORY_HOTPLUG
+#if !defined(CONFIG_MEMORY_HOTPLUG) || defined(CONFIG_DYNAMIC_NUMA)
__initdata
#endif
;
@@ -832,7 +832,7 @@ EXPORT_SYMBOL(cpumask_of_node);
#endif /* !CONFIG_DEBUG_PER_CPU_MAPS */
-#ifdef CONFIG_MEMORY_HOTPLUG
+#if defined(CONFIG_MEMORY_HOTPLUG) && !defined(CONFIG_DYNAMIC_NUMA)
int memory_add_physaddr_to_nid(u64 start)
{
struct numa_meminfo *mi = &numa_meminfo;
--
1.8.1.1
--
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next prev parent reply other threads:[~2013-02-28 21:57 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-28 2:41 [RFC] DNUMA: Runtime NUMA memory layout reconfiguration Cody P Schafer
2013-02-28 20:44 ` [RFC][PATCH 00/24] " Cody P Schafer
2013-02-28 20:44 ` [PATCH 01/24] XXX: reduce MAX_PHYSADDR_BITS & MAX_PHYSMEM_BITS in PAE Cody P Schafer
2013-02-28 20:44 ` [PATCH 02/24] XXX: x86/Kconfig: simplify NUMA config for NUMA_EMU on X86_32 Cody P Schafer
2013-02-28 20:44 ` [PATCH 03/24] XXX: memory_hotplug locking note in online_pages Cody P Schafer
2013-02-28 20:44 ` [PATCH 04/24] rbtree: add postorder iteration functions Cody P Schafer
2013-02-28 20:44 ` [PATCH 05/24] rbtree: add rbtree_postorder_for_each_entry_safe() helper Cody P Schafer
2013-02-28 20:44 ` [PATCH 06/24] mm/memory_hotplug: factor out zone+pgdat growth Cody P Schafer
2013-02-28 20:44 ` [PATCH 07/24] memory_hotplug: export ensure_zone_is_initialized() in mm/internal.h Cody P Schafer
2013-02-28 20:44 ` [PATCH 08/24] mm/memory_hotplug: use {pgdat,zone}_is_empty() when resizing zones & pgdats Cody P Schafer
2013-02-28 20:44 ` [PATCH 09/24] mm: add nid_zone() helper Cody P Schafer
2013-02-28 21:26 ` [PATCH 10/24] page_alloc: add return_pages_to_zone() when DYNAMIC_NUMA is enabled Cody P Schafer
2013-02-28 21:26 ` [PATCH 11/24] page_alloc: in move_freepages(), skip pages instead of VM_BUG on node differences Cody P Schafer
2013-02-28 21:26 ` [PATCH 12/24] page_alloc: when dynamic numa is enabled, don't check that all pages in a block belong to the same zone Cody P Schafer
2013-02-28 21:26 ` [PATCH 13/24] page-flags dnuma: reserve a pageflag for determining if a page needs a node lookup Cody P Schafer
2013-02-28 21:26 ` [PATCH 14/24] memory_hotplug: factor out locks in mem_online_cpu() Cody P Schafer
2013-02-28 21:26 ` [PATCH 15/24] mm: add memlayout & dnuma to track pfn->nid & transplant pages between nodes Cody P Schafer
2013-02-28 21:26 ` [PATCH 16/24] mm: memlayout+dnuma: add debugfs interface Cody P Schafer
2013-02-28 21:26 ` [PATCH 17/24] page_alloc: use dnuma to transplant newly freed pages in __free_pages_ok() Cody P Schafer
2013-02-28 21:26 ` [PATCH 18/24] page_alloc: use dnuma to transplant newly freed pages in free_hot_cold_page() Cody P Schafer
2013-02-28 21:26 ` [PATCH 19/24] page_alloc: transplant pages that are being flushed from the per-cpu lists Cody P Schafer
2013-02-28 21:26 ` [PATCH 20/24] x86: memlayout: add a arch specific inital memlayout setter Cody P Schafer
2013-02-28 21:57 ` [PATCH 21/24] init/main: call memlayout_global_init() in start_kernel() Cody P Schafer
2013-02-28 21:57 ` [PATCH 22/24] dnuma: memlayout: add memory_add_physaddr_to_nid() for memory_hotplug Cody P Schafer
2013-02-28 21:57 ` Cody P Schafer [this message]
2013-02-28 21:57 ` [PATCH 24/24] XXX: x86/mm/numa: Avoid spamming warnings due to lack of cpu reconfig Cody P Schafer
2013-04-04 5:28 ` [RFC][PATCH 00/24] DNUMA: Runtime NUMA memory layout reconfiguration Simon Jeons
2013-04-04 19:07 ` Cody P Schafer
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