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

Andrew Morton
2020-04-07T03:07:51Z

From: chenqiwu <chenqiwu@xiaomi.com>
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@gmail.com
Signed-off-by: chenqiwu <chenqiwu@xiaomi.com>
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

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;
_