Contributors: 14
	  
        
          | Author | 
          Tokens | 
          Token Proportion | 
          Commits | 
          Commit Proportion | 
        
	  
	  
        
        
          | Johannes Weiner | 
          204 | 
          62.01% | 
          4 | 
          20.00% | 
        
        
          | Suren Baghdasaryan | 
          59 | 
          17.93% | 
          3 | 
          15.00% | 
        
        
          | Chengming Zhou | 
          36 | 
          10.94% | 
          2 | 
          10.00% | 
        
        
          | Paul Menage | 
          6 | 
          1.82% | 
          1 | 
          5.00% | 
        
        
          | Domenico Cerasuolo | 
          5 | 
          1.52% | 
          1 | 
          5.00% | 
        
        
          | Dan Schatzberg | 
          5 | 
          1.52% | 
          1 | 
          5.00% | 
        
        
          | Ingo Molnar | 
          3 | 
          0.91% | 
          1 | 
          5.00% | 
        
        
          | Vlastimil Babka | 
          3 | 
          0.91% | 
          1 | 
          5.00% | 
        
        
          | Ben Segall | 
          2 | 
          0.61% | 
          1 | 
          5.00% | 
        
        
          | Peter Zijlstra | 
          2 | 
          0.61% | 
          1 | 
          5.00% | 
        
        
          | Anna-Maria Gleixner | 
          1 | 
          0.30% | 
          1 | 
          5.00% | 
        
        
          | Sargun Dhillon | 
          1 | 
          0.30% | 
          1 | 
          5.00% | 
        
        
          | Tejun Heo | 
          1 | 
          0.30% | 
          1 | 
          5.00% | 
        
        
          | Liu Xinpeng | 
          1 | 
          0.30% | 
          1 | 
          5.00% | 
        
	  
	  
        
          | Total | 
          329 | 
           | 
          20 | 
           | 
	    
	  
    
 
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_PSI_H
#define _LINUX_PSI_H
#include <linux/jump_label.h>
#include <linux/psi_types.h>
#include <linux/sched.h>
#include <linux/poll.h>
#include <linux/cgroup-defs.h>
#include <linux/cgroup.h>
struct seq_file;
struct css_set;
#ifdef CONFIG_PSI
extern struct static_key_false psi_disabled;
extern struct psi_group psi_system;
void psi_init(void);
void psi_memstall_enter(unsigned long *flags);
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,
				       enum psi_res res, struct file *file,
				       struct kernfs_open_file *of);
void psi_trigger_destroy(struct psi_trigger *t);
__poll_t psi_trigger_poll(void **trigger_ptr, struct file *file,
			poll_table *wait);
#ifdef CONFIG_CGROUPS
static inline struct psi_group *cgroup_psi(struct cgroup *cgrp)
{
	return cgroup_ino(cgrp) == 1 ? &psi_system : cgrp->psi;
}
int psi_cgroup_alloc(struct cgroup *cgrp);
void psi_cgroup_free(struct cgroup *cgrp);
void cgroup_move_task(struct task_struct *p, struct css_set *to);
void psi_cgroup_restart(struct psi_group *group);
#endif
#else /* CONFIG_PSI */
static inline void psi_init(void) {}
static inline void psi_memstall_enter(unsigned long *flags) {}
static inline void psi_memstall_leave(unsigned long *flags) {}
#ifdef CONFIG_CGROUPS
static inline int psi_cgroup_alloc(struct cgroup *cgrp)
{
	return 0;
}
static inline void psi_cgroup_free(struct cgroup *cgrp)
{
}
static inline void cgroup_move_task(struct task_struct *p, struct css_set *to)
{
	rcu_assign_pointer(p->cgroups, to);
}
static inline void psi_cgroup_restart(struct psi_group *group) {}
#endif
#endif /* CONFIG_PSI */
#endif /* _LINUX_PSI_H */