diff options
| author | Sheng Yong <shengyong1@huawei.com> | 2015-04-14 15:44:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-14 16:49:00 -0700 |
| commit | 19c07d5e0414261bd7ec3d8419dd26f468ef69d9 (patch) | |
| tree | 51cf67b5ebd9d96bfe2514fe128576ecca257581 | |
| parent | 1575e68b3c1111aca9779ecbdb106a4aa563f01f (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>
| -rw-r--r-- | drivers/base/memory.c | 2 | ||||
| -rw-r--r-- | 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 af9c911cd6b5..ab5c9a7dfeca 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 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 |