vmem.h File Reference

#include <sys/types.h>

Go to the source code of this file.

Macros
#define	VM_SLEEP   0x00000000 /* same as KM_SLEEP */
#define	VM_NOSLEEP   0x00000001 /* same as KM_NOSLEEP */
#define	VM_PANIC   0x00000002 /* same as KM_PANIC */
#define	VM_PUSHPAGE   0x00000004 /* same as KM_PUSHPAGE */
#define	VM_KMFLAGS   0x000000ff /* flags that must match KM_* flags */
#define	VM_BESTFIT   0x00000100
#define	VM_FIRSTFIT   0x00000200
#define	VM_NEXTFIT   0x00000400
#define	VM_MEMLOAD   0x00000800
#define	VM_NORELOC   0x00001000
#define	VM_ABORT   0x00002000
#define	VM_FLAGS   0x0000FFFF
#define	VMC_POPULATOR   0x00010000
#define	VMC_NO_QCACHE   0x00020000 /* cannot use quantum caches */
#define	VMC_IDENTIFIER   0x00040000 /* not backed by memory */
#define	VMC_XALLOC   0x00080000
#define	VMC_FLAGS   0xFFFF0000
#define	VMEM_ALLOC   0x01
#define	VMEM_FREE   0x02
#define	VMEM_SPAN   0x10
#define	VMEM_ROTOR   0x20
#define	VMEM_WALKER   0x40
#define	VMEM_REENTRANT   0x80000000

Typedefs
typedef struct vmem	vmem_t
typedef void *(	vmem_alloc_t) (vmem_t *, size_t, int)
typedef void(	vmem_free_t) (vmem_t *, void *, size_t)
typedef void *(	vmem_ximport_t) (vmem_t *, size_t *, int)

Functions
vmem_t *	vmem_create (const char *, void *, size_t, size_t, vmem_alloc_t *, vmem_free_t *, vmem_t *, size_t, int)
vmem_t *	vmem_xcreate (const char *, void *, size_t, size_t, vmem_ximport_t *, vmem_free_t *, vmem_t *, size_t, int)
void	vmem_destroy (vmem_t *)
void *	vmem_alloc (vmem_t *, size_t, int)
void *	vmem_xalloc (vmem_t *, size_t, size_t, size_t, size_t, void *, void *, int)
void	vmem_free (vmem_t *, void *, size_t)
void	vmem_xfree (vmem_t *, void *, size_t)
void *	vmem_add (vmem_t *, void *, size_t, int)
int	vmem_contains (vmem_t *, void *, size_t)
void	vmem_walk (vmem_t *, int, void(*)(void *, void *, size_t), void *)
size_t	vmem_size (vmem_t *, int)

Macro Definition Documentation

#define VM_ABORT   0x00002000

#define VM_BESTFIT   0x00000100

Referenced by vmem_alloc(), vmem_init(), and vmem_xalloc().

#define VM_FIRSTFIT   0x00000200

Referenced by vmem_alloc(), and vmem_xalloc().

#define VM_FLAGS   0x0000FFFF

#define VM_KMFLAGS   0x000000ff /* flags that must match KM_* flags */

#define VM_MEMLOAD   0x00000800

#define VM_NEXTFIT   0x00000400

Referenced by vmem_alloc().

#define VM_NORELOC   0x00001000

#define VM_NOSLEEP   0x00000001 /* same as KM_NOSLEEP */

Referenced by memalign(), umem_cache_create(), and umem_init().

#define VM_PANIC   0x00000002 /* same as KM_PANIC */

Referenced by vmem_alloc(), vmem_create(), vmem_init(), and vmem_xalloc().

#define VM_PUSHPAGE   0x00000004 /* same as KM_PUSHPAGE */

#define VM_SLEEP   0x00000000 /* same as KM_SLEEP */

Referenced by vmem_init().

#define VMC_FLAGS   0xFFFF0000

#define VMC_IDENTIFIER   0x00040000 /* not backed by memory */

#define VMC_NO_QCACHE   0x00020000 /* cannot use quantum caches */

#define VMC_POPULATOR   0x00010000

Referenced by vmem_create(), and vmem_init().

#define VMC_XALLOC   0x00080000

#define VMEM_ALLOC   0x01

Referenced by vmem_destroy(), and vmem_size().

#define VMEM_FREE   0x02

Referenced by vmem_size(), vmem_xalloc(), and vmem_xfree().

#define VMEM_REENTRANT   0x80000000

Referenced by vmem_walk().

#define VMEM_ROTOR   0x20

Referenced by vmem_create().

#define VMEM_SPAN   0x10

Referenced by vmem_contains(), vmem_create(), and vmem_xfree().

#define VMEM_WALKER   0x40

Referenced by vmem_walk().

Typedef Documentation

typedef void*( vmem_alloc_t) (vmem_t *, size_t, int)

typedef void( vmem_free_t) (vmem_t *, void *, size_t)

typedef struct vmem vmem_t

typedef void*( vmem_ximport_t) (vmem_t *, size_t *, int)

Function Documentation

void* vmem_add	(	vmem_t *	,
		void *	,
		size_t	,
		int
	)

References ASSERT, cond_broadcast, mutex_lock, mutex_unlock, umem_panic(), vmem::vm_cv, vmem::vm_lock, and vmem_contains().

Referenced by vmem_create().

void* vmem_alloc	(	vmem_t *	,
		size_t	,
		int
	)

References _umem_cache_alloc(), ASSERT, highbit(), lowbit(), mutex_lock, mutex_unlock, P2ALIGN, UMEM_DEFAULT, VM_BESTFIT, VM_FIRSTFIT, vmem::vm_freelist, vmem::vm_freemap, vmem::vm_lock, vmem::vm_mtbf, VM_NEXTFIT, vmem::vm_nsegfree, VM_PANIC, vmem::vm_qcache, vmem::vm_qcache_max, vmem::vm_qshift, vmem::vm_quantum, VMEM_FREELISTS, VMEM_MINFREE, vmem_mtbf, vmem_xalloc(), vmem_freelist::vs_knext, and vmem_seg::vs_start.

Referenced by _umem_alloc(), umem_cache_create(), umem_init(), vmem_create(), vmem_init(), and vmem_sbrk_arena().

int vmem_contains	(	vmem_t *	,
		void *	,
		size_t
	)

References ASSERT, mutex_lock, mutex_unlock, vmem_kstat::vk_contains, vmem_kstat::vk_contains_search, vmem::vm_kstat, vmem::vm_lock, vmem::vm_seg0, VMEM_SPAN, vmem_seg::vs_end, vmem_seg::vs_knext, vmem_seg::vs_start, and vmem_seg::vs_type.

Referenced by _vmem_extend_alloc(), and vmem_add().

vmem_t* vmem_create	(	const char *	,
		void *	,
		size_t	,
		size_t	,
		vmem_alloc_t *	,
		vmem_free_t *	,
		vmem_t *	,
		size_t	,
		int
	)

References ASSERT, atomic_add_32_nv, cond_init, highbit(), MIN, mutex_init, mutex_lock, mutex_unlock, UMC_NOTOUCH, UMC_QCACHE, umem_cache_create(), vmem_kstat::vk_source_id, vmem::vm_cflags, vmem::vm_cv, vmem::vm_freelist, vmem::vm_hash0, vmem::vm_hash_mask, vmem::vm_hash_shift, vmem::vm_hash_table, vmem::vm_id, vmem::vm_kstat, vmem::vm_lock, vmem::vm_name, vmem::vm_next, VM_PANIC, vmem::vm_qcache, vmem::vm_qcache_max, vmem::vm_qshift, vmem::vm_quantum, vmem::vm_rotor, vmem::vm_seg0, vmem::vm_source, vmem::vm_source_alloc, vmem::vm_source_free, VM_UMFLAGS, VMC_POPULATOR, vmem_add(), vmem_alloc(), vmem_destroy(), VMEM_FREELISTS, VMEM_HASH_INITIAL, VMEM_INITIAL, VMEM_INSERT, VMEM_NAMELEN, VMEM_NQCACHE_MAX, VMEM_ROTOR, VMEM_SPAN, vmem_seg::vs_anext, vmem_seg::vs_aprev, vmem_freelist::vs_end, vmem_seg::vs_knext, vmem_freelist::vs_knext, vmem_seg::vs_kprev, vmem_freelist::vs_kprev, and vmem_seg::vs_type.

Referenced by umem_init(), and vmem_init().

void vmem_destroy

(

vmem_t *

)

References cond_destroy, mutex_destroy, mutex_lock, mutex_unlock, umem_cache_destroy(), umem_printf(), vmem::vm_cv, vmem::vm_hash0, vmem::vm_hash_mask, vmem::vm_hash_table, vmem::vm_lock, vmem::vm_name, vmem::vm_next, vmem::vm_nsegfree, vmem::vm_qcache, vmem::vm_rotor, vmem::vm_seg0, VMEM_ALLOC, VMEM_DELETE, vmem_free(), VMEM_NQCACHE_MAX, vmem_size(), and vmem_seg::vs_anext.

Referenced by vmem_create().

void vmem_free	(	vmem_t *	,
		void *	,
		size_t
	)

References _umem_cache_free(), vmem::vm_qcache, vmem::vm_qcache_max, vmem::vm_qshift, and vmem_xfree().

Referenced by _umem_free(), umem_cache_destroy(), umem_init(), vmem_destroy(), vmem_init(), vmem_mmap_arena(), and vmem_sbrk_arena().

size_t vmem_size	(	vmem_t *	,
		int
	)

References vmem_kstat::vk_mem_inuse, vmem_kstat::vk_mem_total, vmem::vm_kstat, VMEM_ALLOC, and VMEM_FREE.

Referenced by vmem_destroy().

void vmem_walk	(	vmem_t *	,
		int	,
		void(*)(void *, void *, size_t)	,
		void *
	)

References mutex_lock, mutex_unlock, vmem::vm_lock, vmem::vm_seg0, VMEM_INSERT, VMEM_REENTRANT, VMEM_WALKER, vmem_seg::vs_anext, VS_SIZE, vmem_seg::vs_start, and vmem_seg::vs_type.

void* vmem_xalloc	(	vmem_t *	,
		size_t	,
		size_t	,
		size_t	,
		size_t	,
		void *	,
		void *	,
		int
	)

References _cond_wait(), ASSERT, highbit(), lowbit(), MAX, MIN, mutex_lock, mutex_unlock, P2ALIGN, P2CROSS, P2NPHASE, P2PHASE, P2PHASEUP, P2ROUNDUP, umem_panic(), vmem_kstat::vk_fail, vmem_kstat::vk_search, vmem_kstat::vk_wait, VM_BESTFIT, vmem::vm_cv, VM_FIRSTFIT, vmem::vm_freelist, vmem::vm_freemap, vmem::vm_kstat, vmem::vm_lock, vmem::vm_mtbf, vmem::vm_nsegfree, VM_PANIC, vmem::vm_quantum, vmem::vm_source, vmem::vm_source_alloc, VM_UMFLAGS, VMEM_FREE, VMEM_FREELISTS, VMEM_MINFREE, vmem_mtbf, vmem_reap(), VMEM_SEGS_PER_ALLOC_MAX, VMEM_SEGS_PER_EXACT_ALLOC, VMEM_SEGS_PER_SPAN_CREATE, vmem_seg::vs_end, vmem_seg::vs_knext, vmem_freelist::vs_knext, VS_SIZE, vmem_seg::vs_start, and vmem_seg::vs_type.

Referenced by _umem_alloc_align(), memalign(), umem_cache_create(), vmem_alloc(), and vmem_init().

vmem_t* vmem_xcreate	(	const char *	,
		void *	,
		size_t	,
		size_t	,
		vmem_ximport_t *	,
		vmem_free_t *	,
		vmem_t *	,
		size_t	,
		int
	)

void vmem_xfree	(	vmem_t *	,
		void *	,
		size_t
	)

References ASSERT, mutex_lock, mutex_unlock, P2ROUNDUP, vmem::vm_lock, vmem::vm_quantum, vmem::vm_source, vmem::vm_source_free, VMEM_FREE, VMEM_SPAN, vmem_seg::vs_anext, vmem_seg::vs_aprev, vmem_seg::vs_end, vmem_seg::vs_import, VS_SIZE, vmem_seg::vs_start, and vmem_seg::vs_type.

Referenced by _umem_free_align(), umem_cache_create(), and vmem_free().