mm/migration: avoid unneeded nodemask_t initialization
authorMiaohe Lin <linmiaohe@huawei.com>
Fri, 29 Apr 2022 06:16:08 +0000 (23:16 -0700)
committerakpm <akpm@linux-foundation.org>
Fri, 29 Apr 2022 06:16:08 +0000 (23:16 -0700)
commit91925ab8cc2a05ab0e524830247e1d66ba4e4e19
tree2ada8dd11edef283f3821fbb00b08c5ab6dec699
parent3eefb826c5a627084eccec788f0236a070988dae
mm/migration: avoid unneeded nodemask_t initialization

Avoid unneeded next_pass and this_pass initialization as they're always
set before using to save possible cpu cycles when there are plenty of
nodes in the system.

Link: https://lkml.kernel.org/r/20220318111709.60311-8-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/migrate.c