Use macro section_nr_to_pfn and pfn_to_section_nr to switch between section
and pfn, instead of bit operations, no semantic changes.
Signed-off-by: Sheng Yong <shengyong1@xxxxxxxxxx>
---
drivers/base/memory.c | 2 +-
mm/memory_hotplug.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 85be040..8f6d988 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -228,7 +228,7 @@ memory_block_action(unsigned long phys_index, unsigned long action, int online_t
struct page *first_page;
int ret;
- start_pfn = phys_index << PFN_SECTION_SHIFT;
+ start_pfn = section_nr_to_pfn(phys_index);
first_page = pfn_to_page(start_pfn);
switch (action) {
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index b82b61e..2afda10 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
--
1.8.3.4
--
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