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cgroup/cpuset: Improve cpuset_css_alloc() description

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Change the function argument in the description of cpuset_css_alloc()
from 'struct cgroup' -> 'struct cgroup_subsys_state'.  The change to the
argument type was introduced by commit eb95419b023a ("cgroup: pass
around cgroup_subsys_state instead of cgroup in subsystem methods").
Also, add more information to its description.

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Acked-by: Waiman Long <longman@redhat.com>
Acked-by: Joel Savitz <jsavitz@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Kamalesh Babulal 2022-11-17 12:45:57 +05:30 committed by Tejun Heo
parent 1e85591db1
commit 0a2cafe6c7
1 changed files with 8 additions and 4 deletions
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12
kernel/cgroup/cpuset.c
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@ -3072,11 +3072,15 @@ static struct cftype dfl_files[] = {
};
/*
* cpuset_css_alloc - allocate a cpuset css
* cgrp: control group that the new cpuset will be part of
/**
* cpuset_css_alloc - Allocate a cpuset css
* @parent_css: Parent css of the control group that the new cpuset will be
* part of
* Return: cpuset css on success, -ENOMEM on failure.
*
* Allocate and initialize a new cpuset css, for non-NULL @parent_css, return
* top cpuset css otherwise.
*/
static struct cgroup_subsys_state *
cpuset_css_alloc(struct cgroup_subsys_state *parent_css)
{