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docs: scheduler: Fix outdated parameter of rebalance_domains

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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 balancing workhorse, run_rebalance_domains()->rebalance_domains(), is then run
in softirq context (SCHED_SOFTIRQ). in softirq context (SCHED_SOFTIRQ).
The latter function takes two arguments: the current CPU and whether it was idle The latter function takes two arguments: the runqueue of current CPU and whether
at the time the scheduler_tick() happened and iterates over all sched domains the CPU was idle at the time the scheduler_tick() happened and iterates over all
our CPU is on, starting from its base domain and going up the ->parent chain. sched domains our CPU is on, starting from its base domain and going up the ->parent
While doing that, it checks to see if the current domain has exhausted its 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 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 the parent sched_domain (if it exists), and the parent of the parent and so
forth. forth.