1 /* $NetBSD: malloc.h,v 1.81 2002/11/02 06:24:34 yamt Exp $ */ 2 3 /* 4 * Copyright (c) 1987, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)malloc.h 8.5 (Berkeley) 5/3/95 36 */ 37 38 #ifndef _SYS_MALLOC_H_ 39 #define _SYS_MALLOC_H_ 40 41 #if defined(_KERNEL_OPT) 42 #include "opt_kmemstats.h" 43 #include "opt_malloclog.h" 44 #include "opt_malloc_debug.h" 45 #include "opt_lockdebug.h" 46 #endif 47 48 /* 49 * flags to malloc 50 */ 51 #define M_WAITOK 0x0000 /* can wait for resources */ 52 #define M_NOWAIT 0x0001 /* do not wait for resources */ 53 #define M_ZERO 0x0002 /* zero the allocation */ 54 #define M_CANFAIL 0x0004 /* can fail if requested memory can't ever 55 * be allocated */ 56 /* 57 * Types of memory to be allocated (don't forget to update malloc.9) 58 */ 59 #define M_FREE 0 /* should be on free list */ 60 #define M_MBUF 1 /* mbuf */ 61 #define M_DEVBUF 2 /* device driver memory */ 62 #define M_SOCKET 3 /* socket structure */ 63 #define M_PCB 4 /* protocol control block */ 64 #define M_RTABLE 5 /* routing tables */ 65 #define M_HTABLE 6 /* IMP host tables */ 66 #define M_FTABLE 7 /* fragment reassembly header */ 67 #define M_ZOMBIE 8 /* zombie proc status */ 68 #define M_IFADDR 9 /* interface address */ 69 #define M_SOOPTS 10 /* socket options */ 70 #define M_SONAME 11 /* socket name */ 71 #define M_NAMEI 12 /* namei path name buffer */ 72 #define M_GPROF 13 /* kernel profiling buffer */ 73 #define M_IOCTLOPS 14 /* ioctl data buffer */ 74 #define M_MAPMEM 15 /* mapped memory descriptors */ 75 #define M_CRED 16 /* credentials */ 76 #define M_PGRP 17 /* process group header */ 77 #define M_SESSION 18 /* session header */ 78 #define M_IOV 19 /* large iov's */ 79 #define M_MOUNT 20 /* vfs mount struct */ 80 #define M_FHANDLE 21 /* network file handle */ 81 #define M_NFSREQ 22 /* NFS request header */ 82 #define M_NFSMNT 23 /* NFS mount structure */ 83 #define M_NFSNODE 24 /* NFS vnode private part */ 84 #define M_VNODE 25 /* Dynamically allocated vnodes */ 85 #define M_CACHE 26 /* Dynamically allocated cache entries */ 86 #define M_DQUOT 27 /* UFS quota entries */ 87 #define M_UFSMNT 28 /* UFS mount structure */ 88 #define M_SHM 29 /* SVID compatible shared memory segments */ 89 #define M_VMMAP 30 /* VM map structures */ 90 #define M_VMMAPENT 31 /* VM map entry structures */ 91 #define M_VMOBJ 32 /* VM object structure */ 92 #define M_VMOBJHASH 33 /* VM object hash structure */ 93 #define M_VMPMAP 34 /* VM pmap */ 94 #define M_VMPVENT 35 /* VM phys-virt mapping entry */ 95 #define M_VMPAGER 36 /* XXX: VM pager struct */ 96 #define M_VMPGDATA 37 /* XXX: VM pager private data */ 97 #define M_FILE 38 /* Open file structure */ 98 #define M_FILEDESC 39 /* Open file descriptor table */ 99 #define M_LOCKF 40 /* Byte-range locking structures */ 100 #define M_PROC 41 /* Proc structures */ 101 #define M_SUBPROC 42 /* Proc sub-structures */ 102 #define M_SEGMENT 43 /* Segment for LFS */ 103 #define M_LFSNODE 44 /* LFS vnode private part */ 104 #define M_FFSNODE 45 /* FFS vnode private part */ 105 #define M_MFSNODE 46 /* MFS vnode private part */ 106 #define M_NQLEASE 47 /* Nqnfs lease */ 107 #define M_NQMHOST 48 /* Nqnfs host address table */ 108 #define M_NETADDR 49 /* Export host address structure */ 109 #define M_NFSSVC 50 /* Nfs server structure */ 110 #define M_NFSUID 51 /* Nfs uid mapping structure */ 111 #define M_NFSD 52 /* Nfs server daemon structure */ 112 #define M_IPMOPTS 53 /* internet multicast options */ 113 #define M_IPMADDR 54 /* internet multicast address */ 114 #define M_IFMADDR 55 /* link-level multicast address */ 115 #define M_MRTABLE 56 /* multicast routing tables */ 116 #define M_ISOFSMNT 57 /* ISOFS mount structure */ 117 #define M_ISOFSNODE 58 /* ISOFS vnode private part */ 118 #define M_MSDOSFSMNT 59 /* MSDOS FS mount structure */ 119 #define M_MSDOSFSFAT 60 /* MSDOS FS fat table */ 120 #define M_MSDOSFSNODE 61 /* MSDOS FS vnode private part */ 121 #define M_TTYS 62 /* allocated tty structures */ 122 #define M_EXEC 63 /* argument lists & other mem used by exec */ 123 #define M_MISCFSMNT 64 /* miscfs mount structures */ 124 #define M_MISCFSNODE 65 /* miscfs vnode private part */ 125 #define M_ADOSFSMNT 66 /* adosfs mount structures */ 126 #define M_ADOSFSNODE 67 /* adosfs vnode private part */ 127 #define M_ANODE 68 /* adosfs anode structures and tables */ 128 #define M_IPQ 69 /* IP packet queue entry */ 129 #define M_AFS 70 /* Andrew File System */ 130 #define M_ADOSFSBITMAP 71 /* adosfs bitmap */ 131 #define M_NFSRVDESC 72 /* NFS server descriptor */ 132 #define M_NFSDIROFF 73 /* NFS directory cookies */ 133 #define M_NFSBIGFH 74 /* NFS big filehandle */ 134 #define M_EXT2FSNODE 75 /* EXT2FS vnode private part */ 135 #define M_VMSWAP 76 /* VM swap structures */ 136 #define M_VMPAGE 77 /* VM page structures */ 137 #define M_VMPBUCKET 78 /* VM page buckets */ 138 /* 139 * Why are 79-81 empty? 140 */ 141 #define M_UVMAMAP 82 /* UVM amap and related structs */ 142 #define M_UVMAOBJ 83 /* UVM aobj and related structs */ 143 #define M_TEMP 84 /* misc temporary data buffers */ 144 #define M_DMAMAP 85 /* bus_dma(9) structures */ 145 #define M_IPFLOW 86 /* IP flow entries */ 146 #define M_USB 87 /* USB general */ 147 #define M_USBDEV 88 /* USB device driver */ 148 #define M_POOL 89 /* memory pool structs */ 149 #define M_CODA 90 /* Coda file system structures and tables */ 150 #define M_FILECOREMNT 91 /* Filecore FS mount structures */ 151 #define M_FILECORENODE 92 /* Filecore FS vnode private part */ 152 #define M_RAIDFRAME 93 /* RAIDframe structures */ 153 #define M_USBHC 94 /* USB host controller */ 154 #define M_SECA 95 /* security associations, key management */ 155 #define M_IP6OPT 96 /* IPv6 options */ 156 #define M_IP6NDP 97 /* IPv6 Neighbour Discovery */ 157 #define M_NTFS 98 /* Windows NT file system structures */ 158 #define M_PAGEDEP 99 /* File page dependencies */ 159 #define M_INODEDEP 100 /* Inode dependencies */ 160 #define M_NEWBLK 101 /* New block allocation */ 161 #define M_BMSAFEMAP 102 /* Block or frag allocated from cyl group map */ 162 #define M_ALLOCDIRECT 103 /* Block or frag dependency for an inode */ 163 #define M_INDIRDEP 104 /* Indirect block dependencies */ 164 #define M_ALLOCINDIR 105 /* Block dependency for an indirect block */ 165 #define M_FREEFRAG 106 /* Previously used frag for an inode */ 166 #define M_FREEBLKS 107 /* Blocks freed from an inode */ 167 #define M_FREEFILE 108 /* Inode deallocated */ 168 #define M_DIRADD 109 /* New directory entry */ 169 #define M_MKDIR 110 /* New directory */ 170 #define M_DIRREM 111 /* Directory entry deleted */ 171 #define M_IP6RR 112 /* IPv6 Router Renumbering Prefix */ 172 #define M_RR_ADDR 113 /* IPv6 Router Renumbering Ifid */ 173 #define M_SOFTINTR 114 /* Softinterrupt structures */ 174 #define M_EMULDATA 115 /* Per-process emulation data */ 175 #define M_1394CTL 116 /* IEEE 1394 control structures */ 176 #define M_1394DATA 117 /* IEEE 1394 data buffers */ 177 #define M_PIPE 118 /* Pipe structures */ 178 #define M_AGP 119 /* AGP memory */ 179 #define M_PROP 120 /* Kernel properties structures */ 180 #define M_NEWDIRBLK 121 /* Unclaimed new dir block (softdeps) */ 181 #define M_SMBIOD 122 /* SMB network id daemon */ 182 #define M_SMBCONN 123 /* SMB connection */ 183 #define M_SMBRQ 124 /* SMB request */ 184 #define M_SMBDATA 125 /* Misc netsmb data */ 185 #define M_SMBSTR 126 /* netsmb string data */ 186 #define M_SMBTEMP 127 /* Temp netsmb data */ 187 #define M_ICONV 128 /* ICONV data */ 188 #define M_SMBNODE 129 /* SMBFS node */ 189 #define M_SMBNODENAME 130 /* SMBFS node name */ 190 #define M_SMBFSDATA 131 /* SMBFS private data */ 191 #define M_SMBFSHASH 132 /* SMBFS hash table */ 192 #define M_SA 133 /* Scheduler activations */ 193 #define M_KEVENT 134 /* kevents/knotes */ 194 #define M_LAST 135 /* Must be last type + 1 */ 195 196 /* added something? don't forget to update malloc.9 */ 197 198 #define INITKMEMNAMES { \ 199 "free", /* 0 M_FREE */ \ 200 "mbuf", /* 1 M_MBUF */ \ 201 "devbuf", /* 2 M_DEVBUF */ \ 202 "socket", /* 3 M_SOCKET */ \ 203 "pcb", /* 4 M_PCB */ \ 204 "routetbl", /* 5 M_RTABLE */ \ 205 "hosttbl", /* 6 M_HTABLE */ \ 206 "fragtbl", /* 7 M_FTABLE */ \ 207 "zombie", /* 8 M_ZOMBIE */ \ 208 "ifaddr", /* 9 M_IFADDR */ \ 209 "soopts", /* 10 M_SOOPTS */ \ 210 "soname", /* 11 M_SONAME */ \ 211 "namei", /* 12 M_NAMEI */ \ 212 "gprof", /* 13 M_GPROF */ \ 213 "ioctlops", /* 14 M_IOCTLOPS */ \ 214 "mapmem", /* 15 M_MAPMEM */ \ 215 "cred", /* 16 M_CRED */ \ 216 "pgrp", /* 17 M_PGRP */ \ 217 "session", /* 18 M_SESSION */ \ 218 "iov", /* 19 M_IOV */ \ 219 "mount", /* 20 M_MOUNT */ \ 220 "fhandle", /* 21 M_FHANDLE */ \ 221 "NFS req", /* 22 M_NFSREQ */ \ 222 "NFS mount", /* 23 M_NFSMNT */ \ 223 "NFS node", /* 24 M_NFSNODE */ \ 224 "vnodes", /* 25 M_VNODE */ \ 225 "namecache", /* 26 M_CACHE */ \ 226 "UFS quota", /* 27 M_DQUOT */ \ 227 "UFS mount", /* 28 M_UFSMNT */ \ 228 "shm", /* 29 M_SHM */ \ 229 "VM map", /* 30 M_VMMAP */ \ 230 "VM mapent", /* 31 M_VMMAPENT */ \ 231 "VM object", /* 32 M_VMOBJ */ \ 232 "VM objhash", /* 33 M_VMOBJHASH */ \ 233 "VM pmap", /* 34 M_VMPMAP */ \ 234 "VM pvmap", /* 35 M_VMPVENT */ \ 235 "VM pager", /* 36 M_VMPAGER */ \ 236 "VM pgdata", /* 37 M_VMPGDATA */ \ 237 "file", /* 38 M_FILE */ \ 238 "file desc", /* 39 M_FILEDESC */ \ 239 "lockf", /* 40 M_LOCKF */ \ 240 "proc", /* 41 M_PROC */ \ 241 "subproc", /* 42 M_SUBPROC */ \ 242 "LFS segment", /* 43 M_SEGMENT */ \ 243 "LFS node", /* 44 M_LFSNODE */ \ 244 "FFS node", /* 45 M_FFSNODE */ \ 245 "MFS node", /* 46 M_MFSNODE */ \ 246 "NQNFS Lease", /* 47 M_NQLEASE */ \ 247 "NQNFS Host", /* 48 M_NQMHOST */ \ 248 "Export Host", /* 49 M_NETADDR */ \ 249 "NFS srvsock", /* 50 M_NFSSVC */ \ 250 "NFS uid", /* 51 M_NFSUID */ \ 251 "NFS daemon", /* 52 M_NFSD */ \ 252 "ip_moptions", /* 53 M_IPMOPTS */ \ 253 "in_multi", /* 54 M_IPMADDR */ \ 254 "ether_multi", /* 55 M_IFMADDR */ \ 255 "mrt", /* 56 M_MRTABLE */ \ 256 "ISOFS mount", /* 57 M_ISOFSMNT */ \ 257 "ISOFS node", /* 58 M_ISOFSNODE */ \ 258 "MSDOSFS mount", /* 59 M_MSDOSFSMNT */ \ 259 "MSDOSFS fat", /* 60 M_MSDOSFSFAT */ \ 260 "MSDOSFS node", /* 61 M_MSDOSFSNODE */ \ 261 "ttys", /* 62 M_TTYS */ \ 262 "exec", /* 63 M_EXEC */ \ 263 "miscfs mount", /* 64 M_MISCFSMNT */ \ 264 "miscfs node", /* 65 M_MISCFSNODE */ \ 265 "adosfs mount", /* 66 M_ADOSFSMNT */ \ 266 "adosfs node", /* 67 M_ADOSFSNODE */ \ 267 "adosfs anode", /* 68 M_ANODE */ \ 268 "IP queue ent", /* 69 M_IPQ */ \ 269 "afs", /* 70 M_AFS */ \ 270 "adosfs bitmap", /* 71 M_ADOSFSBITMAP */ \ 271 "NFS srvdesc", /* 72 M_NFSRVDESC */ \ 272 "NFS diroff", /* 73 M_NFSDIROFF */ \ 273 "NFS bigfh", /* 74 M_NFSBIGFH */ \ 274 "EXT2FS node", /* 75 M_EXT2FSNODE */ \ 275 "VM swap", /* 76 M_VMSWAP */ \ 276 "VM page", /* 77 M_VMPAGE */ \ 277 "VM page bucket", /* 78 M_VMPBUCKET */ \ 278 NULL, /* 79 */ \ 279 NULL, /* 80 */ \ 280 NULL, /* 81 */ \ 281 "UVM amap", /* 82 M_UVMAMAP */ \ 282 "UVM aobj", /* 83 M_UVMAOBJ */ \ 283 "temp", /* 84 M_TEMP */ \ 284 "DMA map", /* 85 M_DMAMAP */ \ 285 "IP flow", /* 86 M_IPFLOW */ \ 286 "USB", /* 87 M_USB */ \ 287 "USB device", /* 88 M_USBDEV */ \ 288 "Pool", /* 89 M_POOL */ \ 289 "coda", /* 90 M_CODA */ \ 290 "filecore mount", /* 91 M_FILECOREMNT */ \ 291 "filecore node", /* 92 M_FILECORENODE */ \ 292 "RAIDframe", /* 93 M_RAIDFRAME */ \ 293 "USB HC", /* 94 M_USBHC */ \ 294 "key mgmt", /* 95 M_SECA */ \ 295 "ip6_options", /* 96 M_IP6OPT */ \ 296 "NDP", /* 97 M_IP6NDP */ \ 297 "NTFS", /* 98 M_NTFS */ \ 298 "pagedep", /* 99 M_PAGEDEP */ \ 299 "inodedep", /* 100 M_INODEDEP */ \ 300 "newblk", /* 101 M_NEWBLK */ \ 301 "bmsafemap", /* 102 M_BMSAFEMAP */ \ 302 "allocdirect", /* 103 M_ALLOCDIRECT */ \ 303 "indirdep", /* 104 M_INDIRDEP */ \ 304 "allocindir", /* 105 M_ALLOCINDIR */ \ 305 "freefrag", /* 106 M_FREEFRAG */ \ 306 "freeblks", /* 107 M_FREEBLKS */ \ 307 "freefile", /* 108 M_FREEFILE */ \ 308 "diradd", /* 109 M_DIRADD */ \ 309 "mkdir", /* 110 M_MKDIR */ \ 310 "dirrem", /* 111 M_DIRREM */ \ 311 "ip6rr", /* 112 M_IP6RR */ \ 312 "rp_addr", /* 113 M_RR_ADDR */ \ 313 "softintr", /* 114 M_SOFTINTR */ \ 314 "emuldata", /* 115 M_EMULDATA */ \ 315 "1394ctl", /* 116 M_1394CTL */ \ 316 "1394data", /* 117 M_1394DATA */ \ 317 "pipe", /* 118 M_PIPE */ \ 318 "AGP", /* 119 M_AGP */ \ 319 "prop", /* 120 M_PROP */ \ 320 "newdirblk", /* 121 M_NEWDIRBLK */ \ 321 "smbiod", /* 122 M_SMBIOD */ \ 322 "smbconn", /* 123 M_SMBCONN */ \ 323 "smbrq", /* 124 M_SMBRQ */ \ 324 "smbdata", /* 125 M_SMBDATA */ \ 325 "smbstr", /* 126 M_SMBDATA */ \ 326 "smbtemp", /* 127 M_SMBTEMP */ \ 327 "iconv", /* 128 M_ICONV */ \ 328 "smbnode", /* 129 M_SMBNODE */ \ 329 "smbnodename", /* 130 M_SMBNODENAME */ \ 330 "smbfsdata", /* 131 M_SMBFSDATA */ \ 331 "smbfshash", /* 132 M_SMBFSHASH */ \ 332 "sa", /* 133 M_SA */ \ 333 "kevent", /* 134 M_KEVENT */ \ 334 NULL, /* 135 */ \ 335 } 336 337 struct kmemstats { 338 u_long ks_inuse; /* # of packets of this type currently in use */ 339 u_long ks_calls; /* total packets of this type ever allocated */ 340 u_long ks_memuse; /* total memory held in bytes */ 341 u_short ks_limblocks; /* number of times blocked for hitting limit */ 342 u_short ks_mapblocks; /* number of times blocked for kernel map */ 343 u_long ks_maxused; /* maximum number ever used */ 344 u_long ks_limit; /* most that are allowed to exist */ 345 u_long ks_size; /* sizes of this thing that are allocated */ 346 u_long ks_spare; 347 }; 348 349 /* 350 * Array of descriptors that describe the contents of each page 351 */ 352 struct kmemusage { 353 short ku_indx; /* bucket index */ 354 union { 355 u_short freecnt;/* for small allocations, free pieces in page */ 356 u_short pagecnt;/* for large allocations, pages alloced */ 357 } ku_un; 358 }; 359 #define ku_freecnt ku_un.freecnt 360 #define ku_pagecnt ku_un.pagecnt 361 362 /* 363 * Set of buckets for each size of memory block that is retained 364 */ 365 struct kmembuckets { 366 caddr_t kb_next; /* list of free blocks */ 367 caddr_t kb_last; /* last free block */ 368 long kb_calls; /* total calls to allocate this size */ 369 long kb_total; /* total number of blocks allocated */ 370 long kb_totalfree; /* # of free elements in this bucket */ 371 long kb_elmpercl; /* # of elements in this sized allocation */ 372 long kb_highwat; /* high water mark */ 373 long kb_couldfree; /* over high water mark and could free */ 374 }; 375 376 #ifdef _KERNEL 377 #define MINALLOCSIZE (1 << MINBUCKET) 378 #define BUCKETINDX(size) \ 379 ((size) <= (MINALLOCSIZE * 128) \ 380 ? (size) <= (MINALLOCSIZE * 8) \ 381 ? (size) <= (MINALLOCSIZE * 2) \ 382 ? (size) <= (MINALLOCSIZE * 1) \ 383 ? (MINBUCKET + 0) \ 384 : (MINBUCKET + 1) \ 385 : (size) <= (MINALLOCSIZE * 4) \ 386 ? (MINBUCKET + 2) \ 387 : (MINBUCKET + 3) \ 388 : (size) <= (MINALLOCSIZE* 32) \ 389 ? (size) <= (MINALLOCSIZE * 16) \ 390 ? (MINBUCKET + 4) \ 391 : (MINBUCKET + 5) \ 392 : (size) <= (MINALLOCSIZE * 64) \ 393 ? (MINBUCKET + 6) \ 394 : (MINBUCKET + 7) \ 395 : (size) <= (MINALLOCSIZE * 2048) \ 396 ? (size) <= (MINALLOCSIZE * 512) \ 397 ? (size) <= (MINALLOCSIZE * 256) \ 398 ? (MINBUCKET + 8) \ 399 : (MINBUCKET + 9) \ 400 : (size) <= (MINALLOCSIZE * 1024) \ 401 ? (MINBUCKET + 10) \ 402 : (MINBUCKET + 11) \ 403 : (size) <= (MINALLOCSIZE * 8192) \ 404 ? (size) <= (MINALLOCSIZE * 4096) \ 405 ? (MINBUCKET + 12) \ 406 : (MINBUCKET + 13) \ 407 : (size) <= (MINALLOCSIZE * 16384) \ 408 ? (MINBUCKET + 14) \ 409 : (MINBUCKET + 15)) 410 411 /* 412 * Turn virtual addresses into kmem map indicies 413 */ 414 #define kmemxtob(alloc) (kmembase + (alloc) * NBPG) 415 #define btokmemx(addr) (((caddr_t)(addr) - kmembase) / NBPG) 416 #define btokup(addr) (&kmemusage[((caddr_t)(addr) - kmembase) >> PGSHIFT]) 417 418 /* 419 * Macro versions for the usual cases of malloc/free 420 */ 421 #if defined(KMEMSTATS) || defined(DIAGNOSTIC) || defined(_LKM) || \ 422 defined(MALLOCLOG) || defined(LOCKDEBUG) || defined(MALLOC_NOINLINE) 423 #define MALLOC(space, cast, size, type, flags) \ 424 (space) = (cast)malloc((u_long)(size), (type), (flags)) 425 #define FREE(addr, type) free((caddr_t)(addr), (type)) 426 427 #else /* do not collect statistics */ 428 #define MALLOC(space, cast, size, type, flags) \ 429 do { \ 430 register struct kmembuckets *__kbp = &bucket[BUCKETINDX((size))]; \ 431 long __s = splvm(); \ 432 if (__kbp->kb_next == NULL) { \ 433 (space) = (cast)malloc((u_long)(size), (type), (flags)); \ 434 splx(__s); \ 435 } else { \ 436 (space) = (cast)__kbp->kb_next; \ 437 __kbp->kb_next = *(caddr_t *)(space); \ 438 splx(__s); \ 439 if ((flags) & M_ZERO) \ 440 memset((space), 0, (size)); \ 441 } \ 442 } while (/* CONSTCOND */ 0) 443 444 #define FREE(addr, type) \ 445 do { \ 446 register struct kmembuckets *__kbp; \ 447 register struct kmemusage *__kup = btokup((addr)); \ 448 long __s = splvm(); \ 449 if (1 << __kup->ku_indx > MAXALLOCSAVE) { \ 450 free((caddr_t)(addr), (type)); \ 451 } else { \ 452 __kbp = &bucket[__kup->ku_indx]; \ 453 if (__kbp->kb_next == NULL) \ 454 __kbp->kb_next = (caddr_t)(addr); \ 455 else \ 456 *(caddr_t *)(__kbp->kb_last) = (caddr_t)(addr); \ 457 *(caddr_t *)(addr) = NULL; \ 458 __kbp->kb_last = (caddr_t)(addr); \ 459 } \ 460 splx(__s); \ 461 } while(/* CONSTCOND */ 0) 462 #endif /* do not collect statistics */ 463 464 extern struct kmemstats kmemstats[]; 465 extern struct kmemusage *kmemusage; 466 extern char *kmembase; 467 extern struct kmembuckets bucket[]; 468 469 #ifdef MALLOCLOG 470 void *_malloc(unsigned long size, int type, int flags, 471 const char *file, long line); 472 void _free(void *addr, int type, const char *file, long line); 473 #define malloc(size, type, flags) \ 474 _malloc((size), (type), (flags), __FILE__, __LINE__) 475 #define free(addr, type) \ 476 _free((addr), (type), __FILE__, __LINE__) 477 #else 478 void *malloc(unsigned long size, int type, int flags); 479 void free(void *addr, int type); 480 #endif /* MALLOCLOG */ 481 482 #ifdef MALLOC_DEBUG 483 int debug_malloc(unsigned long, int, int, void **); 484 int debug_free(void *, int); 485 void debug_malloc_init(void); 486 487 void debug_malloc_print(void); 488 void debug_malloc_printit(void (*)(const char *, ...), vaddr_t); 489 #endif /* MALLOC_DEBUG */ 490 491 void *realloc(void *curaddr, unsigned long newsize, int type, 492 int flags); 493 unsigned long 494 malloc_roundup(unsigned long); 495 #endif /* _KERNEL */ 496 #endif /* !_SYS_MALLOC_H_ */ 497