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

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

Hao Jia committed 4 years ago

Commit 76b079e1 parent 2b97cf73 files · +4 −4Browse files

Unified · Split

3 files

include/linux/psi.h +1 −1
kernel/cgroup/cgroup.c +1 −1
kernel/sched/psi.c +2 −2

include/linux/psi.h+1−1

@@ -27,7 +27,7 @@ void psi_memstall_leave(unsigned long *flags); · 26 unmodified lines
27		27
28	int psi_show(struct seq_file s, struct psi_group group, enum psi_res res);	28	int psi_show(struct seq_file s, struct psi_group group, enum psi_res res);
29	struct psi_trigger psi_trigger_create(struct psi_group group,	29	struct psi_trigger psi_trigger_create(struct psi_group group,
30	char *buf, size_t nbytes, enum psi_res res);	30	char *buf, enum psi_res res);
31	void psi_trigger_destroy(struct psi_trigger *t);	31	void psi_trigger_destroy(struct psi_trigger *t);
32		32
33	__poll_t psi_trigger_poll(void *trigger_ptr, struct file file,	33	__poll_t psi_trigger_poll(void *trigger_ptr, struct file file,

kernel/cgroup/cgroup.c+1−1

@@ -3698,7 +3698,7 @@ static ssize_t cgroup_pressure_write(struct kernfs_open_file of, char buf, · 3697 unmodified lines
3698	}	3698	}
3699		3699
3700	psi = cgroup_ino(cgrp) == 1 ? &psi_system : cgrp->psi;	3700	psi = cgroup_ino(cgrp) == 1 ? &psi_system : cgrp->psi;
3701	new = psi_trigger_create(psi, buf, nbytes, res);	3701	new = psi_trigger_create(psi, buf, res);
3702	if (IS_ERR(new)) {	3702	if (IS_ERR(new)) {
3703	cgroup_put(cgrp);	3703	cgroup_put(cgrp);
3704	return PTR_ERR(new);	3704	return PTR_ERR(new);

kernel/sched/psi.c+2−2

@@ -1087,7 +1087,7 @@ int psi_show(struct seq_file m, struct psi_group group, enum psi_res res) · 1086 unmodified lines
1087	}	1087	}
1088		1088
1089	struct psi_trigger psi_trigger_create(struct psi_group group,	1089	struct psi_trigger psi_trigger_create(struct psi_group group,
1090	char *buf, size_t nbytes, enum psi_res res)	1090	char *buf, enum psi_res res)
1091	{	1091	{
1092	struct psi_trigger *t;	1092	struct psi_trigger *t;
1093	enum psi_states state;	1093	enum psi_states state;
@@ -1316,7 +1316,7 @@ static ssize_t psi_write(struct file file, const char __user user_buf, · 222 unmodified lines
1316	return -EBUSY;	1316	return -EBUSY;
1317	}	1317	}
1318		1318
1319	new = psi_trigger_create(&psi_system, buf, nbytes, res);	1319	new = psi_trigger_create(&psi_system, buf, res);
1320	if (IS_ERR(new)) {	1320	if (IS_ERR(new)) {
1321	mutex_unlock(&seq->lock);	1321	mutex_unlock(&seq->lock);
1322	return PTR_ERR(new);	1322	return PTR_ERR(new);