linux-kernel - [PATCH 1/2] mm: use __pfn_to_section() instead of open coding it

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Date:   Mon, 13 Sep 2021 12:06:10 +0200
From:   Rolf Eike Beer <eb@...ix.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] mm: use __pfn_to_section() instead of open coding it

It is defined in the same file just a few lines above.

Signed-off-by: Rolf Eike Beer <eb@...ix.com>
---
 include/linux/mmzone.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 6a1d79d84675..832aa49d0d8e 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -1481,7 +1481,7 @@ static inline int pfn_valid(unsigned long pfn)
 
 	if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
 		return 0;
-	ms = __nr_to_section(pfn_to_section_nr(pfn));
+	ms = __pfn_to_section(pfn);
 	if (!valid_section(ms))
 		return 0;
 	/*
@@ -1496,7 +1496,7 @@ static inline int pfn_in_present_section(unsigned long pfn)
 {
 	if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
 		return 0;
-	return present_section(__nr_to_section(pfn_to_section_nr(pfn)));
+	return present_section(__pfn_to_section(pfn));
 }
 
 static inline unsigned long next_present_section_nr(unsigned long section_nr)
-- 
2.33.0


-- 
Rolf Eike Beer, emlix GmbH, https://www.emlix.com
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