Commit 76b079ef authored Aug 06, 2022 by Hao Jia Committed by Tejun Heo Aug 15, 2022

sched/psi: Remove unused parameter nbytes of psi_trigger_create()



psi_trigger_create()'s 'nbytes' parameter is not used, so we can remove it.

Signed-off-by: Hao Jia <jiahao.os@bytedance.com>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Tejun Heo <tj@kernel.org>

parent 2b97cf76

include/linux/psi.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -27,7 +27,7 @@ void psi_memstall_leave(unsigned long *flags);

		int psi_show(struct seq_file s, struct psi_group group, enum psi_res res);
		struct psi_trigger psi_trigger_create(struct psi_group group,
		char *buf, size_t nbytes, enum psi_res res);
		char *buf, enum psi_res res);
		void psi_trigger_destroy(struct psi_trigger *t);

		__poll_t psi_trigger_poll(void *trigger_ptr, struct file file,

kernel/cgroup/cgroup.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -3698,7 +3698,7 @@ static ssize_t cgroup_pressure_write(struct kernfs_open_file of, char buf,
		}

		psi = cgroup_ino(cgrp) == 1 ? &psi_system : cgrp->psi;
		new = psi_trigger_create(psi, buf, nbytes, res);
		new = psi_trigger_create(psi, buf, res);
		if (IS_ERR(new)) {
		cgroup_put(cgrp);
		return PTR_ERR(new);

kernel/sched/psi.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1087,7 +1087,7 @@ int psi_show(struct seq_file m, struct psi_group group, enum psi_res res)
		}

		struct psi_trigger psi_trigger_create(struct psi_group group,
		char *buf, size_t nbytes, enum psi_res res)
		char *buf, enum psi_res res)
		{
		struct psi_trigger *t;
		enum psi_states state;
		@@ -1316,7 +1316,7 @@ static ssize_t psi_write(struct file file, const char __user user_buf,
		return -EBUSY;
		}

		new = psi_trigger_create(&psi_system, buf, nbytes, res);
		new = psi_trigger_create(&psi_system, buf, res);
		if (IS_ERR(new)) {
		mutex_unlock(&seq->lock);
		return PTR_ERR(new);