diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-03-22 14:47:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-22 15:57:10 -0700 |
| commit | d6aad2016a3f902153d7b8b7e02da2c7c50c10a4 (patch) | |
| tree | d96c7f53b13a46c6d288c057d0608b24a3b0da32 /tools/perf/scripts/python/stackcollapse.py | |
| parent | 2b6bf15f464620bbee08e8257d11f8f9f7f8725f (diff) | |
mm/memory_hotplug: avoid calling zone_intersects() for ZONE_NORMAL
If zid reaches ZONE_NORMAL, the caller will always get the NORMAL zone no
matter what zone_intersects() returns. So we can save some possible cpu
cycles by avoid calling zone_intersects() for ZONE_NORMAL.
Link: https://lkml.kernel.org/r/20220207133643.23427-3-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions