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mm: use __pfn_to_section() instead of open coding it

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[ Upstream commit f1dc0db296bd25960273649fc6ef2ecbf5aaa0e0 ]

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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Stable-dep-of: 5ec8e8ea8b77 ("mm/sparsemem: fix race in accessing memory_section->usage")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Rolf Eike Beer 2021-11-05 13:38:15 -07:00 committed by Greg Kroah-Hartman
parent 43872f44ee
commit 74a80f8dda
1 changed files with 2 additions and 2 deletions
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4
include/linux/mmzone.h
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@ -1369,7 +1369,7 @@ 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;
/*
@ -1384,7 +1384,7 @@ 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)