[mirror_spl.git] / include / sys / vmsystm.h

#ifndef _SPL_VMSYSTM_H
#define _SPL_VMSYSTM_H

#include <linux/mm.h>

#define physmem				num_physpages
#define ptob(pages)			(pages * PAGE_SIZE)
#define membar_producer()		smp_wmb()

#if 0
/* The approximate total number of free pages */
#define freemem				0

/* The average number of free pages over the last 5 seconds */
#define avefree				0

/* The average number of free pages over the last 30 seconds */
#define avefree30			0

/* A guess as to how much memory has been promised to
 * processes but not yet allocated */
#define deficit				0

/* A guess as to how many page are needed to satisfy
 * stalled page creation requests */
#define needfree			0

/* A bootlean the controls the setting of deficit */
#define desperate

/* When free memory is above this limit, no paging or swapping is done */
#define lotsfree			0

/* When free memory is above this limit, swapping is not performed */
#define desfree				0

/* Threshold for many low memory tests, e.g. swapping is
 * more active below this limit */
#define minfree				0
#endif

#endif /* SPL_VMSYSTM_H */
Commit	Line	Data
a713518f	1	#ifndef _SPL_VMSYSTM_H
	2	#define _SPL_VMSYSTM_H
	3
	4	#include <linux/mm.h>
	5
	6	#define physmem num_physpages
77b1fe8f	7	#define ptob(pages) (pages * PAGE_SIZE)
	8	#define membar_producer() smp_wmb()
	9
	10	#if 0
	11	/* The approximate total number of free pages */
	12	#define freemem 0
	13
	14	/* The average number of free pages over the last 5 seconds */
	15	#define avefree 0
	16
	17	/* The average number of free pages over the last 30 seconds */
	18	#define avefree30 0
	19
	20	/* A guess as to how much memory has been promised to
	21	* processes but not yet allocated */
	22	#define deficit 0
	23
	24	/* A guess as to how many page are needed to satisfy
	25	* stalled page creation requests */
	26	#define needfree 0
	27
	28	/* A bootlean the controls the setting of deficit */
	29	#define desperate
	30
	31	/* When free memory is above this limit, no paging or swapping is done */
	32	#define lotsfree 0
	33
	34	/* When free memory is above this limit, swapping is not performed */
	35	#define desfree 0
	36
	37	/* Threshold for many low memory tests, e.g. swapping is
	38	* more active below this limit */
	39	#define minfree 0
	40	#endif
a713518f	41
a713518f	42	#endif /* SPL_VMSYSTM_H */