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authorSheng Yong <shengyong1@huawei.com>2015-04-14 15:44:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-14 16:49:00 -0700
commit19c07d5e0414261bd7ec3d8419dd26f468ef69d9 (patch)
tree51cf67b5ebd9d96bfe2514fe128576ecca257581 /mm
parent1575e68b3c1111aca9779ecbdb106a4aa563f01f (diff)
memory hotplug: use macro to switch between section and pfn
Use macro section_nr_to_pfn() to switch between section and pfn, instead of open-coding it. No semantic changes. Signed-off-by: Sheng Yong <shengyong1@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/memory_hotplug.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 65842d688b7c..aaec7758eec3 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -502,7 +502,7 @@ int __ref __add_pages(int nid, struct zone *zone, unsigned long phys_start_pfn,
end_sec = pfn_to_section_nr(phys_start_pfn + nr_pages - 1);
for (i = start_sec; i <= end_sec; i++) {
- err = __add_section(nid, zone, i << PFN_SECTION_SHIFT);
+ err = __add_section(nid, zone, section_nr_to_pfn(i));
/*
* EEXIST is finally dealt with by ioresource collision