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[DEBUG 17/21] mm: Export definition of 'zone_names' array through mmzone.h

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zone_names[] is used to identify any zone given it's index which
can be used in many other places. So exporting the definition
through include/linux/mmzone.h header for it's broader access.

Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
---
 include/linux/mmzone.h | 1 +
 mm/page_alloc.c        | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index f4aac87..fd1ab32 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -341,6 +341,7 @@ enum zone_type {
 
 };
 
+extern char * const zone_names[];
 #ifndef __GENERATING_BOUNDS_H
 
 struct zone {
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 609cf9c..80fba54 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -212,7 +212,7 @@ int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES-1] = {
 
 EXPORT_SYMBOL(totalram_pages);
 
-static char * const zone_names[MAX_NR_ZONES] = {
+char * const zone_names[MAX_NR_ZONES] = {
 #ifdef CONFIG_ZONE_DMA
 	 "DMA",
 #endif
-- 
2.9.3

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[RFC V2 00/12] Define coherent device memory node Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 04:40 +0100
  [RFC V2 05/12] cpuset: Add cpuset_inc() inside cpuset_init() Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 04:40 +0100
    Re: [RFC V2 05/12] cpuset: Add cpuset_inc() inside cpuset_init() Dave Hansen <dave.hansen@intel.com> - 2017-01-30 19:20 +0100
  [RFC V2 04/12] mm: Change mbind(MPOL_BIND) implementation for CDM nodes Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 04:40 +0100
  [DEBUG 16/21] mm: Enable CONFIG_MOVABLE_NODE on powerpc Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 04:50 +0100
  [DEBUG 18/21] mm: Add debugfs interface to dump each node's zonelist information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 04:50 +0100
  [DEBUG 19/21] mm: Add migrate_virtual_range migration interface Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 04:50 +0100
  [DEBUG 17/21] mm: Export definition of 'zone_names' array through mmzone.h Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 04:50 +0100
  [DEBUG 15/21] powerpc/mm: Enable CONFIG_MOVABLE_NODE for PPC64 platform Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 04:50 +0100
  [DEBUG 21/21] selftests/powerpc: Add a script to perform random VMA migrations Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 04:50 +0100
  [DEBUG 14/21] powerpc/mm: Create numa nodes for hotplug memory Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 04:50 +0100
  [DEBUG 13/21] powerpc/mm: Identify coherent device memory nodes during platform init Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 04:50 +0100
  [DEBUG 20/21] drivers: Add two drivers for coherent device memory tests Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 04:50 +0100
  [RFC V2 09/12] mm: Exclude CDM marked VMAs from auto NUMA Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 07:10 +0100
  [RFC V2 12/12] mm: Tag VMA with VM_CDM flag explicitly during mbind(MPOL_BIND) Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 07:20 +0100
    Re: [RFC V2 12/12] mm: Tag VMA with VM_CDM flag explicitly during  mbind(MPOL_BIND) Dave Hansen <dave.hansen@intel.com> - 2017-01-30 19:00 +0100
  [RFC V2 10/12] mm: Ignore madvise(MADV_MERGEABLE) request for VM_CDM marked VMAs Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 10:30 +0100
  [RFC V2 11/12] mm: Tag VMA with VM_CDM flag during page fault Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-01-30 10:40 +0100
    Re: [RFC V2 11/12] mm: Tag VMA with VM_CDM flag during page fault Dave Hansen <dave.hansen@intel.com> - 2017-01-30 19:00 +0100

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