[PATCH v1 1/5] mm/memory_hotplug: drop intermediate __offline_pages

[David Hildenbrand]

Let's avoid this indirection and just call the function offline_pages().

Signed-off-by: David Hildenbrand <da...@redhat.com>
---
 mm/memory_hotplug.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 6a2726920ed2..090cf474de87 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1589,10 +1589,10 @@ static void node_states_clear_node(int node, struct 
memory_notify *arg)
                node_clear_state(node, N_MEMORY);
 }
 
-static int __ref __offline_pages(unsigned long start_pfn,
-                 unsigned long end_pfn)
+/* Must be protected by mem_hotplug_begin() or a device_lock */
+int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
 {
-       unsigned long pfn, nr_pages;
+       unsigned long pfn, end_pfn = start_pfn + nr_pages;
        long offlined_pages;
        int ret, node;
        unsigned long flags;
@@ -1612,7 +1612,6 @@ static int __ref __offline_pages(unsigned long start_pfn,
 
        zone = page_zone(pfn_to_page(valid_start));
        node = zone_to_nid(zone);
-       nr_pages = end_pfn - start_pfn;
 
        /* set above range as isolated */
        ret = start_isolate_page_range(start_pfn, end_pfn,
@@ -1700,12 +1699,6 @@ static int __ref __offline_pages(unsigned long start_pfn,
        undo_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE);
        return ret;
 }
-
-/* Must be protected by mem_hotplug_begin() or a device_lock */
-int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
-{
-       return __offline_pages(start_pfn, start_pfn + nr_pages);
-}
 #endif /* CONFIG_MEMORY_HOTREMOVE */
 
 /**
-- 
2.17.1