diff options
| author | Zhang Zhen <zhenzhang.zhang@huawei.com> | 2014-12-13 03:55:33 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 23:42:47 +0300 |
| commit | 71fbd556adde2795787a6ca4c16871e57efba847 (patch) | |
| tree | a4302fe87369d15c20bcecd0b38d383af813cef8 /include/linux/swap.h | |
| parent | 9dc00f4c4fdd1fab12a4da9a966e535b4284b0a4 (diff) | |
| download | linux-71fbd556adde2795787a6ca4c16871e57efba847.tar.xz | |
memory-hotplug: remove redundant call of page_to_pfn
This is just a small optimization. The start_pfn can be obtained directly
by phys_index << PFN_SECTION_SHIFT. So the call of page_to_pfn() is
redundant and remove it.
Signed-off-by: Zhang Zhen <zhenzhang.zhang@huawei.com>
Acked-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Dave Hansen <dave@sr71.net>
Cc: Wang Nan <wangnan0@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/swap.h')
0 files changed, 0 insertions, 0 deletions