From: qiwuchen55@gmail.com
To: akpm@linux-foundation.org
Cc: linux-mm@kvack.org, chenqiwu <chenqiwu@xiaomi.com>
Subject: [PATCH] mm/memory_hotplug: use __pfn_to_section() instead of open-coding
Date: Mon, 16 Mar 2020 15:52:14 +0800 [thread overview]
Message-ID: <1584345134-16671-1-git-send-email-qiwuchen55@gmail.com> (raw)
From: chenqiwu <chenqiwu@xiaomi.com>
Use __pfn_to_section() API instead of open-coding or better
code readability.
Signed-off-by: chenqiwu <chenqiwu@xiaomi.com>
---
mm/memory_hotplug.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 19389cd..62e9c66 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -494,7 +494,7 @@ static void __remove_section(unsigned long pfn, unsigned long nr_pages,
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;
--
1.9.1
next reply other threads:[~2020-03-16 7:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-16 7:52 qiwuchen55 [this message]
2020-03-16 12:23 ` David Hildenbrand
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