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68d74cd044
have the code calling these be compiled with the same setting for INVARIANTS and SMP. Reviewed by: dillon
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
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* Copyright (c) 1997, 1998 John S. Dyson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Absolutely no warranty of function or purpose is made by the author
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* John S. Dyson.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_ZONE_H
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#define _SYS_ZONE_H
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#define ZONE_INTERRUPT 1 /* Use this if you need to allocate at int time */
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#define ZONE_BOOT 16 /* This is an internal flag used by zbootinit */
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#include <machine/lock.h>
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typedef struct vm_zone {
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struct simplelock zlock; /* lock for data structure */
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void *zitems; /* linked list of items */
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int zfreecnt; /* free entries */
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int zfreemin; /* minimum number of free entries */
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int znalloc; /* number of allocations */
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vm_offset_t zkva; /* Base kva of zone */
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int zpagecount; /* Total # of allocated pages */
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int zpagemax; /* Max address space */
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int zmax; /* Max number of entries allocated */
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int ztotal; /* Total entries allocated now */
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int zsize; /* size of each entry */
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int zalloc; /* hint for # of pages to alloc */
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int zflags; /* flags for zone */
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int zallocflag; /* flag for allocation */
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struct vm_object *zobj; /* object to hold zone */
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char *zname; /* name for diags */
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struct vm_zone *znext; /* list of zones for sysctl */
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} *vm_zone_t;
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void zerror __P((int)) __dead2;
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vm_zone_t zinit __P((char *name, int size, int nentries, int flags,
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int zalloc));
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int zinitna __P((vm_zone_t z, struct vm_object *obj, char *name,
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int size, int nentries, int flags, int zalloc));
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void * zalloc __P((vm_zone_t z));
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void zfree __P((vm_zone_t z, void *item));
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void * zalloci __P((vm_zone_t z));
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void zfreei __P((vm_zone_t z, void *item));
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void zbootinit __P((vm_zone_t z, char *name, int size, void *item,
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int nitems));
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void * _zget __P((vm_zone_t z));
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#endif /* _SYS_ZONE_H */
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