Annotation of sys/uvm/uvm_extern.h, Revision 1.1.1.1
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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