[patch 069/262] mm: use __pfn_to_section() instead of open coding it

Andrew Morton
2021-11-05T20:38:18Z

From: Rolf Eike Beer <eb@emlix.com>
Subject: mm: use __pfn_to_section() instead of open coding it

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

Link: https://lkml.kernel.org/r/4598487.Rc0NezkW7i@mobilepool36.emlix.com
Signed-off-by: Rolf Eike Beer <eb@emlix.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

include/linux/mmzone.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/include/linux/mmzone.h~mm-use-__pfn_to_section-instead-of-open-coding-it
+++ a/include/linux/mmzone.h
@@ -1481,7 +1481,7 @@ static inline int pfn_valid(unsigned lon

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
{
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)
_