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docs: scheduler: Fix outdated parameter of rebalance_domains 

According to the function prototype of rebalance_domains(), its first
parameter is *rq* and the document need to be updated.

Signed-off-by: Tang Yizhou <tangyizhou@huawei.com>
Link: https://lore.kernel.org/r/20211221031818.23186-1-tangyizhou@huawei.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Tang Yizhou 2021-12-21 11:18:18 +08:00 committed by Jonathan Corbet
parent dc6cdced47
commit 5dbbc145d2
1 changed files with 4 additions and 4 deletions
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8
Documentation/scheduler/sched-domains.rst
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@ -37,10 +37,10 @@ rebalancing event for the current runqueue has arrived. The actual load
balancing workhorse, run_rebalance_domains()->rebalance_domains(), is then run
in softirq context (SCHED_SOFTIRQ).
The latter function takes two arguments: the current CPU and whether it was idle
at the time the scheduler_tick() happened and iterates over all sched domains
our CPU is on, starting from its base domain and going up the ->parent chain.
While doing that, it checks to see if the current domain has exhausted its
The latter function takes two arguments: the runqueue of current CPU and whether
the CPU was idle at the time the scheduler_tick() happened and iterates over all
sched domains our CPU is on, starting from its base domain and going up the ->parent
chain. While doing that, it checks to see if the current domain has exhausted its
rebalance interval. If so, it runs load_balance() on that domain. It then checks
the parent sched_domain (if it exists), and the parent of the parent and so
forth.