[patch 071/166] mm/memory_hotplug.c: use __pfn_to_section() instead of open-coding

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From: chenqiwu <chenqiwu@xxxxxxxxxx>
Subject: mm/memory_hotplug.c: use __pfn_to_section() instead of open-coding

Use __pfn_to_section() API instead of open-coding for better code
readability.

Link: http://lkml.kernel.org/r/1584345134-16671-1-git-send-email-qiwuchen55@xxxxxxxxx
Signed-off-by: chenqiwu <chenqiwu@xxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/memory_hotplug.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/memory_hotplug.c~mm-memory_hotplug-use-__pfn_to_section-instead-of-open-coding
+++ a/mm/memory_hotplug.c
@@ -495,7 +495,7 @@ static void __remove_section(unsigned lo
 			     unsigned long map_offset,
 			     struct vmem_altmap *altmap)
 {
-	struct mem_section *ms = __nr_to_section(pfn_to_section_nr(pfn));
+	struct mem_section *ms = __pfn_to_section(pfn);
 
 	if (WARN_ON_ONCE(!valid_section(ms)))
 		return;
_



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