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Subject[PATCH 2/3] sched/psi: Remove unused parameter nbytes of psi_trigger_create()
Date
psi_trigger_create()'s 'nbytes' parameter is not used, so we can remove it.

Signed-off-by: Hao Jia <jiahao.os@bytedance.com>
---
include/linux/psi.h | 2 +-
kernel/cgroup/cgroup.c | 2 +-
kernel/sched/psi.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/psi.h b/include/linux/psi.h
index 89784763d19e..dd74411ac21d 100644
--- a/include/linux/psi.h
+++ b/include/linux/psi.h
@@ -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,
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index ffaccd6373f1..df7df5843b4f 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -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);
diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index 5ee615a59fe1..ecb4b4ff4ce0 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -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);
--
2.32.0
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