[PATCH] fold me "mm, memory_hotplug: get rid of is_zone_device_section"

[Michal Hocko]

- return 0 want_memblock == 0 from __add_section as per Jerome Glisse
---
 mm/memory_hotplug.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 035165ceefef..9942d8937d0a 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -299,7 +299,8 @@ void __init register_page_bootmem_info_node(struct pglist_data *pgdat)
 }
 #endif /* CONFIG_HAVE_BOOTMEM_INFO_NODE */
 
-static int __meminit __add_section(int nid, unsigned long phys_start_pfn, bool want_memblock)
+static int __meminit __add_section(int nid, unsigned long phys_start_pfn,
+		bool want_memblock)
 {
 	int ret;
 	int i;
@@ -328,10 +329,10 @@ static int __meminit __add_section(int nid, unsigned long phys_start_pfn, bool w
 		SetPageReserved(page);
 	}
 
-	if (want_memblock)
-		ret = register_new_memory(nid, __pfn_to_section(phys_start_pfn));
+	if (!want_memblock)
+		return 0
 
-	return ret;
+	return register_new_memory(nid, __pfn_to_section(phys_start_pfn));
 }
 
 /*
-- 
2.11.0


-- 
Michal Hocko
SUSE Labs