mm/memory_hotplug: avoid calling zone_intersects() for ZONE_NORMAL

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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>

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Miaohe Lin 2022-03-22 14:47:19 -07:00 • committed by Linus Torvalds

parent 2b6bf15f46

commit d6aad2016a

1 changed files with 1 additions and 1 deletions

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mm/memory_hotplug.c

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