+ mm-use-__pfn_to_section-instead-of-open-coding-it.patch added to -mm tree

+ mm-use-__pfn_to_section-instead-of-open-coding-it.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm: use __pfn_to_section() instead of open coding it
has been added to the -mm tree.  Its filename is
     mm-use-__pfn_to_section-instead-of-open-coding-it.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-use-__pfn_to_section-instead-of-open-coding-it.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-use-__pfn_to_section-instead-of-open-coding-it.patch

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------------------------------------------------------
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)
_

Patches currently in -mm which might be from eb@emlix.com are

mm-use-__pfn_to_section-instead-of-open-coding-it.patch