[PATCH v2 5/7] memory-hotplug: ppc: suitable memory should go to ZONE_MOVABLE

[Wang Nan]

This patch introduces zone_for_memory() to arch_add_memory() on powerpc
to ensure new, higher memory added into ZONE_MOVABLE if movable zone has
already setup.

Signed-off-by: Wang Nan <wangnan0@xxxxxxxxxx>
Cc: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
---
 arch/powerpc/mm/mem.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 2c8e90f..e0f7a18 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -128,7 +128,8 @@ int arch_add_memory(int nid, u64 start, u64 size)
 		return -EINVAL;
 
 	/* this should work for most non-highmem platforms */
-	zone = pgdata->node_zones;
+	zone = pgdata->node_zones +
+		zone_for_memory(nid, start, size, 0);
 
 	return __add_pages(nid, zone, start_pfn, nr_pages);
 }
-- 
1.8.4

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