cgroup: rstat: retrieve current bstat to delta directly

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Instead of retrieve current bstat to cur and copy it to delta, let's use
delta directly.

This saves one copy operation and has the same code convention as
propagating delta to parent.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

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Wei Yang 2022-01-08 00:38:17 +00:00 • committed by Tejun Heo

parent 4148be7de0

commit 95b99f353c

1 changed files with 2 additions and 3 deletions

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kernel/cgroup/rstat.c

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