diff options
| author | Wei Yang <richardw.yang@linux.intel.com> | 2019-09-24 01:36:27 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-25 01:54:09 +0300 |
| commit | c1cbc3eebf7a9ae46473a66710c0859aaafc1607 (patch) | |
| tree | 701fabe4c243c8c44d3f5ab0bfd9a09fd607d0b6 /mm/percpu-internal.h | |
| parent | db57e98d87908b8837352abe08515e42752270c1 (diff) | |
| download | linux-c1cbc3eebf7a9ae46473a66710c0859aaafc1607.tar.xz | |
mm/sparse.c: use __nr_to_section(section_nr) to get mem_section
__pfn_to_section is defined as __nr_to_section(pfn_to_section_nr(pfn)).
Since we already get section_nr, it is not necessary to get mem_section
from start_pfn. By doing so, we reduce one redundant operation.
Link: http://lkml.kernel.org/r/20190809010242.29797-1-richardw.yang@linux.intel.com
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Tested-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Pavel Tatashin <pasha.tatashin@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/percpu-internal.h')
0 files changed, 0 insertions, 0 deletions