proportions.h File Reference

#include <linux/percpu_counter.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>

Go to the source code of this file.

Data Structures
struct	prop_global
struct	prop_descriptor
struct	prop_local_percpu
struct	prop_local_single

Macros
#define	PROP_MAX_SHIFT   (BITS_PER_LONG/2)
#define	PROP_FRAC_SHIFT   (BITS_PER_LONG - PROP_MAX_SHIFT - 1)
#define	PROP_FRAC_BASE   (1UL << PROP_FRAC_SHIFT)
#define	INIT_PROP_LOCAL_SINGLE(name)

Functions
int	prop_descriptor_init (struct prop_descriptor *pd, int shift)
void	prop_change_shift (struct prop_descriptor *pd, int new_shift)
int	prop_local_init_percpu (struct prop_local_percpu *pl)
void	prop_local_destroy_percpu (struct prop_local_percpu *pl)
void	__prop_inc_percpu (struct prop_descriptor *pd, struct prop_local_percpu *pl)
void	prop_fraction_percpu (struct prop_descriptor *pd, struct prop_local_percpu *pl, long *numerator, long *denominator)
void	__prop_inc_percpu_max (struct prop_descriptor *pd, struct prop_local_percpu *pl, long frac)
int	prop_local_init_single (struct prop_local_single *pl)
void	prop_local_destroy_single (struct prop_local_single *pl)
void	__prop_inc_single (struct prop_descriptor *pd, struct prop_local_single *pl)
void	prop_fraction_single (struct prop_descriptor *pd, struct prop_local_single *pl, long *numerator, long *denominator)

Macro Definition Documentation

#define INIT_PROP_LOCAL_SINGLE

(

name

)

Value:

{   .lock = __RAW_SPIN_LOCK_UNLOCKED(name.lock),    \
}

Definition at line 116 of file proportions.h.

#define PROP_FRAC_BASE   (1UL << PROP_FRAC_SHIFT)

Definition at line 91 of file proportions.h.

#define PROP_FRAC_SHIFT   (BITS_PER_LONG - PROP_MAX_SHIFT - 1)

Definition at line 90 of file proportions.h.

#define PROP_MAX_SHIFT   (BITS_PER_LONG/2)

Definition at line 87 of file proportions.h.

Function Documentation

void __prop_inc_percpu	(	struct prop_descriptor *	pd,
		struct prop_local_percpu *	pl
	)

Definition at line 256 of file proportions.c.

void __prop_inc_percpu_max	(	struct prop_descriptor *	pd,
		struct prop_local_percpu *	pl,
		long	frac
	)

Definition at line 270 of file proportions.c.

void __prop_inc_single	(	struct prop_descriptor *	pd,
		struct prop_local_single *	pl
	)

Definition at line 376 of file proportions.c.

void prop_change_shift	(	struct prop_descriptor *	pd,
		int	new_shift
	)

Definition at line 105 of file proportions.c.

int prop_descriptor_init	(	struct prop_descriptor *	pd,
		int	shift
	)

Definition at line 76 of file proportions.c.

void prop_fraction_percpu	(	struct prop_descriptor *	pd,
		struct prop_local_percpu *	pl,
		long *	numerator,
		long *	denominator
	)

Definition at line 303 of file proportions.c.

void prop_fraction_single	(	struct prop_descriptor *	pd,
		struct prop_local_single *	pl,
		long *	numerator,
		long *	denominator
	)

Definition at line 391 of file proportions.c.

void prop_local_destroy_percpu

(

struct prop_local_percpu *

pl

)

Definition at line 199 of file proportions.c.

void prop_local_destroy_single

(

struct prop_local_single *

pl

)

Definition at line 334 of file proportions.c.

int prop_local_init_percpu

(

struct prop_local_percpu *

pl

)

Definition at line 191 of file proportions.c.

int prop_local_init_single

(

struct prop_local_single *

pl

)

Definition at line 325 of file proportions.c.