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

Commit Message

Andrew Morton April 7, 2020, 3:07 a.m. UTC

From: chenqiwu <[e-mail]>
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/[e-mail]
Signed-off-by: chenqiwu <[e-mail]>
Acked-by: David Hildenbrand <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
---

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

Patch

--- 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;