[PATCH v2 2/7] x86, mm: Move zone init from paging_init() on 64-bit

[Pekka Enberg]

This patch introduces a zone_sizes_init() helper function on 64-bit to make it
more similar to 32-bit init.

Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Acked-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx>
---
 arch/x86/mm/init_64.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index bbaaa00..3ddda59 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -612,7 +612,7 @@ void __init initmem_init(void)
 }
 #endif
 
-void __init paging_init(void)
+static void __init zone_sizes_init(void)
 {
 	unsigned long max_zone_pfns[MAX_NR_ZONES];
 
@@ -623,6 +623,11 @@ void __init paging_init(void)
 	max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
 	max_zone_pfns[ZONE_NORMAL] = max_pfn;
 
+	free_area_init_nodes(max_zone_pfns);
+}
+
+void __init paging_init(void)
+{
 	sparse_memory_present_with_active_regions(MAX_NUMNODES);
 	sparse_init();
 
@@ -634,7 +639,7 @@ void __init paging_init(void)
 	 */
 	node_clear_state(0, N_NORMAL_MEMORY);
 
-	free_area_init_nodes(max_zone_pfns);
+	zone_sizes_init();
 }
 
 /*
-- 
1.7.6.4

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