Annotation of sys/uvm/uvm_extern.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: uvm_extern.h,v 1.66 2007/05/27 20:59:26 miod Exp $ */
! 2: /* $NetBSD: uvm_extern.h,v 1.57 2001/03/09 01:02:12 chs Exp $ */
! 3:
! 4: /*
! 5: *
! 6: * Copyright (c) 1997 Charles D. Cranor and Washington University.
! 7: * All rights reserved.
! 8: *
! 9: * Redistribution and use in source and binary forms, with or without
! 10: * modification, are permitted provided that the following conditions
! 11: * are met:
! 12: * 1. Redistributions of source code must retain the above copyright
! 13: * notice, this list of conditions and the following disclaimer.
! 14: * 2. Redistributions in binary form must reproduce the above copyright
! 15: * notice, this list of conditions and the following disclaimer in the
! 16: * documentation and/or other materials provided with the distribution.
! 17: * 3. All advertising materials mentioning features or use of this software
! 18: * must display the following acknowledgement:
! 19: * This product includes software developed by Charles D. Cranor and
! 20: * Washington University.
! 21: * 4. The name of the author may not be used to endorse or promote products
! 22: * derived from this software without specific prior written permission.
! 23: *
! 24: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 25: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 26: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 27: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 28: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 29: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 30: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 31: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 32: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 33: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 34: *
! 35: * from: Id: uvm_extern.h,v 1.1.2.21 1998/02/07 01:16:53 chs Exp
! 36: */
! 37:
! 38: /*-
! 39: * Copyright (c) 1991, 1992, 1993
! 40: * The Regents of the University of California. All rights reserved.
! 41: *
! 42: * Redistribution and use in source and binary forms, with or without
! 43: * modification, are permitted provided that the following conditions
! 44: * are met:
! 45: * 1. Redistributions of source code must retain the above copyright
! 46: * notice, this list of conditions and the following disclaimer.
! 47: * 2. Redistributions in binary form must reproduce the above copyright
! 48: * notice, this list of conditions and the following disclaimer in the
! 49: * documentation and/or other materials provided with the distribution.
! 50: * 3. Neither the name of the University nor the names of its contributors
! 51: * may be used to endorse or promote products derived from this software
! 52: * without specific prior written permission.
! 53: *
! 54: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 55: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 56: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 57: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 58: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 59: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 60: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 61: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 62: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 63: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 64: * SUCH DAMAGE.
! 65: *
! 66: * @(#)vm_extern.h 8.5 (Berkeley) 5/3/95
! 67: */
! 68:
! 69: #ifndef _UVM_UVM_EXTERN_H_
! 70: #define _UVM_UVM_EXTERN_H_
! 71:
! 72: /*
! 73: * uvm_extern.h: this file defines the external interface to the VM system.
! 74: *
! 75: * this should be the only file included by non-VM parts of the kernel
! 76: * which need access to VM services. if you want to know the interface
! 77: * to the MI VM layer without knowing the details, this is the file to
! 78: * learn.
! 79: *
! 80: * NOTE: vm system calls are prototyped in syscallargs.h
! 81: */
! 82:
! 83: /*
! 84: * typedefs, necessary for standard UVM headers.
! 85: */
! 86:
! 87: typedef unsigned int uvm_flag_t;
! 88: typedef int vm_fault_t;
! 89:
! 90: typedef int vm_inherit_t; /* XXX: inheritance codes */
! 91: typedef off_t voff_t; /* XXX: offset within a uvm_object */
! 92:
! 93: union vm_map_object;
! 94: typedef union vm_map_object vm_map_object_t;
! 95:
! 96: struct vm_map_entry;
! 97: typedef struct vm_map_entry *vm_map_entry_t;
! 98:
! 99: struct vm_map;
! 100: typedef struct vm_map *vm_map_t;
! 101:
! 102: struct vm_page;
! 103: typedef struct vm_page *vm_page_t;
! 104:
! 105: /*
! 106: * defines
! 107: */
! 108:
! 109: /*
! 110: * the following defines are for uvm_map and functions which call it.
! 111: */
! 112:
! 113: /* protections bits */
! 114: #define UVM_PROT_MASK 0x07 /* protection mask */
! 115: #define UVM_PROT_NONE 0x00 /* protection none */
! 116: #define UVM_PROT_ALL 0x07 /* everything */
! 117: #define UVM_PROT_READ 0x01 /* read */
! 118: #define UVM_PROT_WRITE 0x02 /* write */
! 119: #define UVM_PROT_EXEC 0x04 /* exec */
! 120:
! 121: /* protection short codes */
! 122: #define UVM_PROT_R 0x01 /* read */
! 123: #define UVM_PROT_W 0x02 /* write */
! 124: #define UVM_PROT_RW 0x03 /* read-write */
! 125: #define UVM_PROT_X 0x04 /* exec */
! 126: #define UVM_PROT_RX 0x05 /* read-exec */
! 127: #define UVM_PROT_WX 0x06 /* write-exec */
! 128: #define UVM_PROT_RWX 0x07 /* read-write-exec */
! 129:
! 130: /* 0x08: not used */
! 131:
! 132: /* inherit codes */
! 133: #define UVM_INH_MASK 0x30 /* inherit mask */
! 134: #define UVM_INH_SHARE 0x00 /* "share" */
! 135: #define UVM_INH_COPY 0x10 /* "copy" */
! 136: #define UVM_INH_NONE 0x20 /* "none" */
! 137: #define UVM_INH_DONATE 0x30 /* "donate" << not used */
! 138:
! 139: /* 0x40, 0x80: not used */
! 140:
! 141: /* bits 0x700: max protection, 0x800: not used */
! 142:
! 143: /* bits 0x7000: advice, 0x8000: not used */
! 144:
! 145: typedef int vm_prot_t;
! 146:
! 147: /*
! 148: * Protection values, defined as bits within the vm_prot_t type
! 149: *
! 150: * These are funky definitions from old CMU VM and are kept
! 151: * for compatibility reasons, one day they are going to die,
! 152: * just like everybody else.
! 153: */
! 154:
! 155: #define VM_PROT_NONE ((vm_prot_t) 0x00)
! 156:
! 157: #define VM_PROT_READ ((vm_prot_t) 0x01) /* read permission */
! 158: #define VM_PROT_WRITE ((vm_prot_t) 0x02) /* write permission */
! 159: #define VM_PROT_EXECUTE ((vm_prot_t) 0x04) /* execute permission */
! 160:
! 161: /*
! 162: * The default protection for newly-created virtual memory
! 163: */
! 164:
! 165: #define VM_PROT_DEFAULT (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE)
! 166:
! 167: /*
! 168: * The maximum privileges possible, for parameter checking.
! 169: */
! 170:
! 171: #define VM_PROT_ALL (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE)
! 172:
! 173: /* advice: matches MADV_* from sys/mman.h */
! 174: #define UVM_ADV_NORMAL 0x0 /* 'normal' */
! 175: #define UVM_ADV_RANDOM 0x1 /* 'random' */
! 176: #define UVM_ADV_SEQUENTIAL 0x2 /* 'sequential' */
! 177: /* 0x3: will need, 0x4: dontneed */
! 178: #define UVM_ADV_MASK 0x7 /* mask */
! 179:
! 180: /* mapping flags */
! 181: #define UVM_FLAG_FIXED 0x010000 /* find space */
! 182: #define UVM_FLAG_OVERLAY 0x020000 /* establish overlay */
! 183: #define UVM_FLAG_NOMERGE 0x040000 /* don't merge map entries */
! 184: #define UVM_FLAG_COPYONW 0x080000 /* set copy_on_write flag */
! 185: #define UVM_FLAG_AMAPPAD 0x100000 /* for bss: pad amap to reduce malloc() */
! 186: #define UVM_FLAG_TRYLOCK 0x200000 /* fail if we can not lock map */
! 187:
! 188: /* macros to extract info */
! 189: #define UVM_PROTECTION(X) ((X) & UVM_PROT_MASK)
! 190: #define UVM_INHERIT(X) (((X) & UVM_INH_MASK) >> 4)
! 191: #define UVM_MAXPROTECTION(X) (((X) >> 8) & UVM_PROT_MASK)
! 192: #define UVM_ADVICE(X) (((X) >> 12) & UVM_ADV_MASK)
! 193:
! 194: #define UVM_MAPFLAG(PROT,MAXPROT,INH,ADVICE,FLAGS) \
! 195: ((MAXPROT << 8)|(PROT)|(INH)|((ADVICE) << 12)|(FLAGS))
! 196:
! 197: /* magic offset value */
! 198: #define UVM_UNKNOWN_OFFSET ((voff_t) -1)
! 199: /* offset not known(obj) or don't care(!obj) */
! 200:
! 201: /*
! 202: * the following defines are for uvm_km_kmemalloc's flags
! 203: */
! 204: #define UVM_KMF_NOWAIT 0x1 /* matches M_NOWAIT */
! 205: #define UVM_KMF_VALLOC 0x2 /* allocate VA only */
! 206: #define UVM_KMF_CANFAIL 0x4 /* caller handles failure */
! 207: #define UVM_KMF_TRYLOCK UVM_FLAG_TRYLOCK /* try locking only */
! 208:
! 209: /*
! 210: * the following defines the strategies for uvm_pagealloc_strat()
! 211: */
! 212: #define UVM_PGA_STRAT_NORMAL 0 /* high -> low free list walk */
! 213: #define UVM_PGA_STRAT_ONLY 1 /* only specified free list */
! 214: #define UVM_PGA_STRAT_FALLBACK 2 /* ONLY falls back on NORMAL */
! 215:
! 216: /*
! 217: * flags for uvm_pagealloc_strat()
! 218: */
! 219: #define UVM_PGA_USERESERVE 0x0001 /* ok to use reserve pages */
! 220: #define UVM_PGA_ZERO 0x0002 /* returned page must be zeroed */
! 221:
! 222: /*
! 223: * lockflags that control the locking behavior of various functions.
! 224: */
! 225: #define UVM_LK_ENTER 0x00000001 /* map locked on entry */
! 226: #define UVM_LK_EXIT 0x00000002 /* leave map locked on exit */
! 227:
! 228: /*
! 229: * structures
! 230: */
! 231:
! 232: struct buf;
! 233: struct core;
! 234: struct mount;
! 235: struct pglist;
! 236: struct proc;
! 237: struct ucred;
! 238: struct uio;
! 239: struct uvm_object;
! 240: struct vm_anon;
! 241: struct vm_aref;
! 242: struct vm_map;
! 243: struct vmspace;
! 244: struct pmap;
! 245: struct vnode;
! 246: struct pool;
! 247: struct simplelock;
! 248:
! 249: extern struct pool *uvm_aiobuf_pool;
! 250:
! 251: /*
! 252: * uvmexp: global data structures that are exported to parts of the kernel
! 253: * other than the vm system.
! 254: */
! 255:
! 256: struct uvmexp {
! 257: /* vm_page constants */
! 258: int pagesize; /* size of a page (PAGE_SIZE): must be power of 2 */
! 259: int pagemask; /* page mask */
! 260: int pageshift; /* page shift */
! 261:
! 262: /* vm_page counters */
! 263: int npages; /* number of pages we manage */
! 264: int free; /* number of free pages */
! 265: int active; /* number of active pages */
! 266: int inactive; /* number of pages that we free'd but may want back */
! 267: int paging; /* number of pages in the process of being paged out */
! 268: int wired; /* number of wired pages */
! 269:
! 270: int zeropages; /* number of zero'd pages */
! 271: int reserve_pagedaemon; /* number of pages reserved for pagedaemon */
! 272: int reserve_kernel; /* number of pages reserved for kernel */
! 273: int anonpages; /* number of pages used by anon pagers */
! 274: int vnodepages; /* number of pages used by vnode page cache */
! 275: int vtextpages; /* number of pages used by vtext vnodes */
! 276:
! 277: /* pageout params */
! 278: int freemin; /* min number of free pages */
! 279: int freetarg; /* target number of free pages */
! 280: int inactarg; /* target number of inactive pages */
! 281: int wiredmax; /* max number of wired pages */
! 282: int anonmin; /* min threshold for anon pages */
! 283: int vtextmin; /* min threshold for vtext pages */
! 284: int vnodemin; /* min threshold for vnode pages */
! 285: int anonminpct; /* min percent anon pages */
! 286: int vtextminpct;/* min percent vtext pages */
! 287: int vnodeminpct;/* min percent vnode pages */
! 288:
! 289: /* swap */
! 290: int nswapdev; /* number of configured swap devices in system */
! 291: int swpages; /* number of PAGE_SIZE'ed swap pages */
! 292: int swpginuse; /* number of swap pages in use */
! 293: int swpgonly; /* number of swap pages in use, not also in RAM */
! 294: int nswget; /* number of times fault calls uvm_swap_get() */
! 295: int nanon; /* number total of anon's in system */
! 296: int nanonneeded;/* number of anons currently needed */
! 297: int nfreeanon; /* number of free anon's */
! 298:
! 299: /* stat counters */
! 300: int faults; /* page fault count */
! 301: int traps; /* trap count */
! 302: int intrs; /* interrupt count */
! 303: int swtch; /* context switch count */
! 304: int softs; /* software interrupt count */
! 305: int syscalls; /* system calls */
! 306: int pageins; /* pagein operation count */
! 307: /* pageouts are in pdpageouts below */
! 308: int swapins; /* swapins */
! 309: int swapouts; /* swapouts */
! 310: int pgswapin; /* pages swapped in */
! 311: int pgswapout; /* pages swapped out */
! 312: int forks; /* forks */
! 313: int forks_ppwait; /* forks where parent waits */
! 314: int forks_sharevm; /* forks where vmspace is shared */
! 315: int pga_zerohit; /* pagealloc where zero wanted and zero
! 316: was available */
! 317: int pga_zeromiss; /* pagealloc where zero wanted and zero
! 318: not available */
! 319: int zeroaborts; /* number of times page zeroing was
! 320: aborted */
! 321:
! 322: /* fault subcounters */
! 323: int fltnoram; /* number of times fault was out of ram */
! 324: int fltnoanon; /* number of times fault was out of anons */
! 325: int fltpgwait; /* number of times fault had to wait on a page */
! 326: int fltpgrele; /* number of times fault found a released page */
! 327: int fltrelck; /* number of times fault relock called */
! 328: int fltrelckok; /* number of times fault relock is a success */
! 329: int fltanget; /* number of times fault gets anon page */
! 330: int fltanretry; /* number of times fault retrys an anon get */
! 331: int fltamcopy; /* number of times fault clears "needs copy" */
! 332: int fltnamap; /* number of times fault maps a neighbor anon page */
! 333: int fltnomap; /* number of times fault maps a neighbor obj page */
! 334: int fltlget; /* number of times fault does a locked pgo_get */
! 335: int fltget; /* number of times fault does an unlocked get */
! 336: int flt_anon; /* number of times fault anon (case 1a) */
! 337: int flt_acow; /* number of times fault anon cow (case 1b) */
! 338: int flt_obj; /* number of times fault is on object page (2a) */
! 339: int flt_prcopy; /* number of times fault promotes with copy (2b) */
! 340: int flt_przero; /* number of times fault promotes with zerofill (2b) */
! 341:
! 342: /* daemon counters */
! 343: int pdwoke; /* number of times daemon woke up */
! 344: int pdrevs; /* number of times daemon rev'd clock hand */
! 345: int pdswout; /* number of times daemon called for swapout */
! 346: int pdfreed; /* number of pages daemon freed since boot */
! 347: int pdscans; /* number of pages daemon scanned since boot */
! 348: int pdanscan; /* number of anonymous pages scanned by daemon */
! 349: int pdobscan; /* number of object pages scanned by daemon */
! 350: int pdreact; /* number of pages daemon reactivated since boot */
! 351: int pdbusy; /* number of times daemon found a busy page */
! 352: int pdpageouts; /* number of times daemon started a pageout */
! 353: int pdpending; /* number of times daemon got a pending pagout */
! 354: int pddeact; /* number of pages daemon deactivates */
! 355: int pdreanon; /* anon pages reactivated due to min threshold */
! 356: int pdrevnode; /* vnode pages reactivated due to min threshold */
! 357: int pdrevtext; /* vtext pages reactivated due to min threshold */
! 358:
! 359: int fpswtch; /* FPU context switches */
! 360: int kmapent; /* number of kernel map entries */
! 361: };
! 362:
! 363: #ifdef _KERNEL
! 364: extern struct uvmexp uvmexp;
! 365: #endif
! 366:
! 367: /*
! 368: * Finally, bring in standard UVM headers.
! 369: */
! 370: #include <sys/vmmeter.h>
! 371: #include <sys/queue.h>
! 372: #include <sys/tree.h>
! 373: #include <uvm/uvm_param.h>
! 374: #include <sys/lock.h>
! 375: #include <uvm/uvm_page.h>
! 376: #include <uvm/uvm_pmap.h>
! 377: #include <uvm/uvm_map.h>
! 378: #include <uvm/uvm_fault.h>
! 379: #include <uvm/uvm_pager.h>
! 380:
! 381: /*
! 382: * Shareable process virtual address space.
! 383: * May eventually be merged with vm_map.
! 384: * Several fields are temporary (text, data stuff).
! 385: */
! 386: struct vmspace {
! 387: struct vm_map vm_map; /* VM address map */
! 388: int vm_refcnt; /* number of references */
! 389: caddr_t vm_shm; /* SYS5 shared memory private data XXX */
! 390: /* we copy from vm_startcopy to the end of the structure on fork */
! 391: #define vm_startcopy vm_rssize
! 392: segsz_t vm_rssize; /* current resident set size in pages */
! 393: segsz_t vm_swrss; /* resident set size before last swap */
! 394: segsz_t vm_tsize; /* text size (pages) XXX */
! 395: segsz_t vm_dsize; /* data size (pages) XXX */
! 396: segsz_t vm_dused; /* data segment length (pages) XXX */
! 397: segsz_t vm_ssize; /* stack size (pages) */
! 398: caddr_t vm_taddr; /* user virtual address of text XXX */
! 399: caddr_t vm_daddr; /* user virtual address of data XXX */
! 400: caddr_t vm_maxsaddr; /* user VA at max stack growth */
! 401: caddr_t vm_minsaddr; /* user VA at top of stack */
! 402: };
! 403:
! 404: #ifdef _KERNEL
! 405:
! 406: /*
! 407: * the various kernel maps, owned by MD code
! 408: */
! 409: extern struct vm_map *exec_map;
! 410: extern struct vm_map *kernel_map;
! 411: extern struct vm_map *kmem_map;
! 412: extern struct vm_map *phys_map;
! 413:
! 414:
! 415: /*
! 416: * macros
! 417: */
! 418:
! 419: /* zalloc zeros memory, alloc does not */
! 420: #define uvm_km_zalloc(MAP,SIZE) uvm_km_alloc1(MAP,SIZE,0,TRUE)
! 421: #define uvm_km_alloc(MAP,SIZE) uvm_km_alloc1(MAP,SIZE,0,FALSE)
! 422:
! 423: #endif /* _KERNEL */
! 424:
! 425: #ifdef pmap_resident_count
! 426: #define vm_resident_count(vm) (pmap_resident_count((vm)->vm_map.pmap))
! 427: #else
! 428: #define vm_resident_count(vm) ((vm)->vm_rssize)
! 429: #endif
! 430:
! 431: /* XXX clean up later */
! 432: struct buf;
! 433: struct loadavg;
! 434: struct proc;
! 435: struct pmap;
! 436: struct vmspace;
! 437: struct vmtotal;
! 438: struct mount;
! 439: struct vnode;
! 440: struct core;
! 441:
! 442: #ifdef _KERNEL
! 443:
! 444: /* vm_machdep.c */
! 445: void vmapbuf(struct buf *, vsize_t);
! 446: void vunmapbuf(struct buf *, vsize_t);
! 447: void cpu_fork(struct proc *, struct proc *, void *, size_t,
! 448: void (*)(void *), void *);
! 449:
! 450: /* uvm_aobj.c */
! 451: struct uvm_object *uao_create(vsize_t, int);
! 452: void uao_detach(struct uvm_object *);
! 453: void uao_detach_locked(struct uvm_object *);
! 454: void uao_reference(struct uvm_object *);
! 455: void uao_reference_locked(struct uvm_object *);
! 456:
! 457: /* uvm_fault.c */
! 458: int uvm_fault(vm_map_t, vaddr_t,
! 459: vm_fault_t, vm_prot_t);
! 460: /* handle a page fault */
! 461:
! 462: /* uvm_glue.c */
! 463: #if defined(KGDB)
! 464: void uvm_chgkprot(caddr_t, size_t, int);
! 465: #endif
! 466: void uvm_fork(struct proc *, struct proc *, boolean_t,
! 467: void *, size_t, void (*)(void *), void *);
! 468: void uvm_exit(struct proc *);
! 469: void uvm_init_limits(struct proc *);
! 470: boolean_t uvm_kernacc(caddr_t, size_t, int);
! 471: __dead void uvm_scheduler(void);
! 472:
! 473: int uvm_vslock(struct proc *, caddr_t, size_t,
! 474: vm_prot_t);
! 475: void uvm_vsunlock(struct proc *, caddr_t, size_t);
! 476:
! 477:
! 478: /* uvm_init.c */
! 479: void uvm_init(void);
! 480: /* init the uvm system */
! 481:
! 482: /* uvm_io.c */
! 483: int uvm_io(vm_map_t, struct uio *, int);
! 484:
! 485: #define UVM_IO_FIXPROT 0x01
! 486:
! 487: /* uvm_km.c */
! 488: vaddr_t uvm_km_alloc1(vm_map_t, vsize_t, vsize_t, boolean_t);
! 489: void uvm_km_free(vm_map_t, vaddr_t, vsize_t);
! 490: void uvm_km_free_wakeup(vm_map_t, vaddr_t,
! 491: vsize_t);
! 492: vaddr_t uvm_km_kmemalloc(vm_map_t, struct uvm_object *,
! 493: vsize_t, int);
! 494: struct vm_map *uvm_km_suballoc(vm_map_t, vaddr_t *,
! 495: vaddr_t *, vsize_t, int,
! 496: boolean_t, vm_map_t);
! 497: vaddr_t uvm_km_valloc(vm_map_t, vsize_t);
! 498: vaddr_t uvm_km_valloc_align(vm_map_t, vsize_t, vsize_t);
! 499: vaddr_t uvm_km_valloc_wait(vm_map_t, vsize_t);
! 500: vaddr_t uvm_km_valloc_prefer_wait(vm_map_t, vsize_t,
! 501: voff_t);
! 502: vaddr_t uvm_km_alloc_poolpage1(vm_map_t,
! 503: struct uvm_object *, boolean_t);
! 504: void uvm_km_free_poolpage1(vm_map_t, vaddr_t);
! 505:
! 506: void *uvm_km_getpage(boolean_t);
! 507: void uvm_km_putpage(void *);
! 508:
! 509: /* uvm_map.c */
! 510: #define uvm_map(_m, _a, _sz, _u, _f, _al, _fl) uvm_map_p(_m, _a, _sz, _u, _f, _al, _fl, 0)
! 511: int uvm_map_p(vm_map_t, vaddr_t *, vsize_t,
! 512: struct uvm_object *, voff_t, vsize_t,
! 513: uvm_flag_t, struct proc *);
! 514: int uvm_map_pageable(vm_map_t, vaddr_t,
! 515: vaddr_t, boolean_t, int);
! 516: int uvm_map_pageable_all(vm_map_t, int, vsize_t);
! 517: boolean_t uvm_map_checkprot(vm_map_t, vaddr_t,
! 518: vaddr_t, vm_prot_t);
! 519: int uvm_map_protect(vm_map_t, vaddr_t,
! 520: vaddr_t, vm_prot_t, boolean_t);
! 521: struct vmspace *uvmspace_alloc(vaddr_t, vaddr_t,
! 522: boolean_t);
! 523: void uvmspace_init(struct vmspace *, struct pmap *,
! 524: vaddr_t, vaddr_t, boolean_t);
! 525: void uvmspace_exec(struct proc *, vaddr_t, vaddr_t);
! 526: struct vmspace *uvmspace_fork(struct vmspace *);
! 527: void uvmspace_free(struct vmspace *);
! 528: void uvmspace_share(struct proc *, struct proc *);
! 529: void uvmspace_unshare(struct proc *);
! 530:
! 531:
! 532: /* uvm_meter.c */
! 533: void uvm_meter(void);
! 534: int uvm_sysctl(int *, u_int, void *, size_t *,
! 535: void *, size_t, struct proc *);
! 536: void uvm_total(struct vmtotal *);
! 537:
! 538: /* uvm_mmap.c */
! 539: int uvm_mmap(vm_map_t, vaddr_t *, vsize_t,
! 540: vm_prot_t, vm_prot_t, int,
! 541: caddr_t, voff_t, vsize_t, struct proc *);
! 542:
! 543: /* uvm_page.c */
! 544: struct vm_page *uvm_pagealloc_strat(struct uvm_object *,
! 545: voff_t, struct vm_anon *, int, int, int);
! 546: #define uvm_pagealloc(obj, off, anon, flags) \
! 547: uvm_pagealloc_strat((obj), (off), (anon), (flags), \
! 548: UVM_PGA_STRAT_NORMAL, 0)
! 549: vaddr_t uvm_pagealloc_contig(vaddr_t, vaddr_t,
! 550: vaddr_t, vaddr_t);
! 551: void uvm_pagerealloc(struct vm_page *,
! 552: struct uvm_object *, voff_t);
! 553: /* Actually, uvm_page_physload takes PF#s which need their own type */
! 554: void uvm_page_physload(paddr_t, paddr_t,
! 555: paddr_t, paddr_t, int);
! 556: void uvm_setpagesize(void);
! 557:
! 558: /* uvm_pager.c */
! 559: void uvm_aio_biodone1(struct buf *);
! 560: void uvm_aio_biodone(struct buf *);
! 561: void uvm_aio_aiodone(struct buf *);
! 562:
! 563: /* uvm_pdaemon.c */
! 564: void uvm_pageout(void *);
! 565: void uvm_aiodone_daemon(void *);
! 566:
! 567: /* uvm_pglist.c */
! 568: int uvm_pglistalloc(psize_t, paddr_t,
! 569: paddr_t, paddr_t, paddr_t,
! 570: struct pglist *, int, int);
! 571: void uvm_pglistfree(struct pglist *);
! 572:
! 573: /* uvm_swap.c */
! 574: void uvm_swap_init(void);
! 575:
! 576: /* uvm_unix.c */
! 577: int uvm_coredump(struct proc *, struct vnode *,
! 578: struct ucred *, struct core *);
! 579: void uvm_grow(struct proc *, vaddr_t);
! 580:
! 581: /* uvm_user.c */
! 582: void uvm_deallocate(vm_map_t, vaddr_t, vsize_t);
! 583:
! 584: /* uvm_vnode.c */
! 585: void uvm_vnp_setsize(struct vnode *, voff_t);
! 586: void uvm_vnp_sync(struct mount *);
! 587: void uvm_vnp_terminate(struct vnode *);
! 588: /* terminate a uvm/uvn object */
! 589: boolean_t uvm_vnp_uncache(struct vnode *);
! 590: struct uvm_object *uvn_attach(void *, vm_prot_t);
! 591:
! 592: /* kern_malloc.c */
! 593: void kmeminit_nkmempages(void);
! 594: void kmeminit(void);
! 595: extern u_int nkmempages;
! 596:
! 597: #endif /* _KERNEL */
! 598:
! 599: #endif /* _UVM_UVM_EXTERN_H_ */
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