jemalloc_internal.h.in revision 80b25932ca52e9506d4e2b8ee0fa58aa5ae3306d
1#include <sys/mman.h> 2#include <sys/param.h> 3#include <sys/syscall.h> 4#if !defined(SYS_write) && defined(__NR_write) 5#define SYS_write __NR_write 6#endif 7#include <sys/time.h> 8#include <sys/types.h> 9#include <sys/uio.h> 10 11#include <errno.h> 12#include <limits.h> 13#ifndef SIZE_T_MAX 14# define SIZE_T_MAX SIZE_MAX 15#endif 16#include <pthread.h> 17#include <sched.h> 18#include <stdarg.h> 19#include <stdbool.h> 20#include <stdio.h> 21#include <stdlib.h> 22#include <stdint.h> 23#include <stddef.h> 24#ifndef offsetof 25# define offsetof(type, member) ((size_t)&(((type *)NULL)->member)) 26#endif 27#include <inttypes.h> 28#include <string.h> 29#include <strings.h> 30#include <ctype.h> 31#include <unistd.h> 32#include <fcntl.h> 33#include <pthread.h> 34#include <math.h> 35 36#define JEMALLOC_NO_DEMANGLE 37#include "../jemalloc@install_suffix@.h" 38 39#include "jemalloc/internal/private_namespace.h" 40 41#ifdef JEMALLOC_CC_SILENCE 42#define UNUSED JEMALLOC_ATTR(unused) 43#else 44#define UNUSED 45#endif 46 47static const bool config_debug = 48#ifdef JEMALLOC_DEBUG 49 true 50#else 51 false 52#endif 53 ; 54static const bool config_dss = 55#ifdef JEMALLOC_DSS 56 true 57#else 58 false 59#endif 60 ; 61static const bool config_dynamic_page_shift = 62#ifdef JEMALLOC_DYNAMIC_PAGE_SHIFT 63 true 64#else 65 false 66#endif 67 ; 68static const bool config_fill = 69#ifdef JEMALLOC_FILL 70 true 71#else 72 false 73#endif 74 ; 75static const bool config_lazy_lock = 76#ifdef JEMALLOC_LAZY_LOCK 77 true 78#else 79 false 80#endif 81 ; 82static const bool config_prof = 83#ifdef JEMALLOC_PROF 84 true 85#else 86 false 87#endif 88 ; 89static const bool config_prof_libgcc = 90#ifdef JEMALLOC_PROF_LIBGCC 91 true 92#else 93 false 94#endif 95 ; 96static const bool config_prof_libunwind = 97#ifdef JEMALLOC_PROF_LIBUNWIND 98 true 99#else 100 false 101#endif 102 ; 103static const bool config_stats = 104#ifdef JEMALLOC_STATS 105 true 106#else 107 false 108#endif 109 ; 110static const bool config_tcache = 111#ifdef JEMALLOC_TCACHE 112 true 113#else 114 false 115#endif 116 ; 117static const bool config_tls = 118#ifdef JEMALLOC_TLS 119 true 120#else 121 false 122#endif 123 ; 124static const bool config_xmalloc = 125#ifdef JEMALLOC_XMALLOC 126 true 127#else 128 false 129#endif 130 ; 131static const bool config_ivsalloc = 132#ifdef JEMALLOC_IVSALLOC 133 true 134#else 135 false 136#endif 137 ; 138 139#if (defined(JEMALLOC_OSATOMIC) || defined(JEMALLOC_OSSPIN)) 140#include <libkern/OSAtomic.h> 141#endif 142 143#ifdef JEMALLOC_ZONE 144#include <mach/mach_error.h> 145#include <mach/mach_init.h> 146#include <mach/vm_map.h> 147#include <malloc/malloc.h> 148#endif 149 150#define RB_COMPACT 151#include "jemalloc/internal/rb.h" 152#include "jemalloc/internal/qr.h" 153#include "jemalloc/internal/ql.h" 154 155/* 156 * jemalloc can conceptually be broken into components (arena, tcache, etc.), 157 * but there are circular dependencies that cannot be broken without 158 * substantial performance degradation. In order to reduce the effect on 159 * visual code flow, read the header files in multiple passes, with one of the 160 * following cpp variables defined during each pass: 161 * 162 * JEMALLOC_H_TYPES : Preprocessor-defined constants and psuedo-opaque data 163 * types. 164 * JEMALLOC_H_STRUCTS : Data structures. 165 * JEMALLOC_H_EXTERNS : Extern data declarations and function prototypes. 166 * JEMALLOC_H_INLINES : Inline functions. 167 */ 168/******************************************************************************/ 169#define JEMALLOC_H_TYPES 170 171#define ALLOCM_LG_ALIGN_MASK ((int)0x3f) 172 173#define ZU(z) ((size_t)z) 174 175#ifndef __DECONST 176# define __DECONST(type, var) ((type)(uintptr_t)(const void *)(var)) 177#endif 178 179#ifdef JEMALLOC_DEBUG 180 /* Disable inlining to make debugging easier. */ 181# define JEMALLOC_INLINE 182# define inline 183#else 184# define JEMALLOC_ENABLE_INLINE 185# define JEMALLOC_INLINE static inline 186#endif 187 188/* Smallest size class to support. */ 189#define LG_TINY_MIN 3 190#define TINY_MIN (1U << LG_TINY_MIN) 191 192/* 193 * Minimum alignment of allocations is 2^LG_QUANTUM bytes (ignoring tiny size 194 * classes). 195 */ 196#ifndef LG_QUANTUM 197# ifdef __i386__ 198# define LG_QUANTUM 4 199# endif 200# ifdef __ia64__ 201# define LG_QUANTUM 4 202# endif 203# ifdef __alpha__ 204# define LG_QUANTUM 4 205# endif 206# ifdef __sparc64__ 207# define LG_QUANTUM 4 208# endif 209# if (defined(__amd64__) || defined(__x86_64__)) 210# define LG_QUANTUM 4 211# endif 212# ifdef __arm__ 213# define LG_QUANTUM 3 214# endif 215# ifdef __mips__ 216# define LG_QUANTUM 3 217# endif 218# ifdef __powerpc__ 219# define LG_QUANTUM 4 220# endif 221# ifdef __s390x__ 222# define LG_QUANTUM 4 223# endif 224# ifdef __SH4__ 225# define LG_QUANTUM 4 226# endif 227# ifdef __tile__ 228# define LG_QUANTUM 4 229# endif 230# ifndef LG_QUANTUM 231# error "No LG_QUANTUM definition for architecture; specify via CPPFLAGS" 232# endif 233#endif 234 235#define QUANTUM ((size_t)(1U << LG_QUANTUM)) 236#define QUANTUM_MASK (QUANTUM - 1) 237 238/* Return the smallest quantum multiple that is >= a. */ 239#define QUANTUM_CEILING(a) \ 240 (((a) + QUANTUM_MASK) & ~QUANTUM_MASK) 241 242#define LONG ((size_t)(1U << LG_SIZEOF_LONG)) 243#define LONG_MASK (LONG - 1) 244 245/* Return the smallest long multiple that is >= a. */ 246#define LONG_CEILING(a) \ 247 (((a) + LONG_MASK) & ~LONG_MASK) 248 249#define SIZEOF_PTR (1U << LG_SIZEOF_PTR) 250#define PTR_MASK (SIZEOF_PTR - 1) 251 252/* Return the smallest (void *) multiple that is >= a. */ 253#define PTR_CEILING(a) \ 254 (((a) + PTR_MASK) & ~PTR_MASK) 255 256/* 257 * Maximum size of L1 cache line. This is used to avoid cache line aliasing. 258 * In addition, this controls the spacing of cacheline-spaced size classes. 259 */ 260#define LG_CACHELINE 6 261#define CACHELINE ((size_t)(1U << LG_CACHELINE)) 262#define CACHELINE_MASK (CACHELINE - 1) 263 264/* Return the smallest cacheline multiple that is >= s. */ 265#define CACHELINE_CEILING(s) \ 266 (((s) + CACHELINE_MASK) & ~CACHELINE_MASK) 267 268/* Page size. STATIC_PAGE_SHIFT is determined by the configure script. */ 269#define STATIC_PAGE_SIZE ((size_t)(1U << STATIC_PAGE_SHIFT)) 270#define STATIC_PAGE_MASK ((size_t)(STATIC_PAGE_SIZE - 1)) 271#ifdef PAGE_SHIFT 272# undef PAGE_SHIFT 273#endif 274#ifdef PAGE_SIZE 275# undef PAGE_SIZE 276#endif 277#ifdef PAGE_MASK 278# undef PAGE_MASK 279#endif 280#define PAGE_SHIFT STATIC_PAGE_SHIFT 281#define PAGE_SIZE STATIC_PAGE_SIZE 282#define PAGE_MASK STATIC_PAGE_MASK 283 284/* Return the smallest pagesize multiple that is >= s. */ 285#define PAGE_CEILING(s) \ 286 (((s) + PAGE_MASK) & ~PAGE_MASK) 287 288#include "jemalloc/internal/util.h" 289#include "jemalloc/internal/atomic.h" 290#include "jemalloc/internal/prng.h" 291#include "jemalloc/internal/ckh.h" 292#include "jemalloc/internal/size_classes.h" 293#include "jemalloc/internal/stats.h" 294#include "jemalloc/internal/ctl.h" 295#include "jemalloc/internal/mutex.h" 296#include "jemalloc/internal/tsd.h" 297#include "jemalloc/internal/mb.h" 298#include "jemalloc/internal/extent.h" 299#include "jemalloc/internal/arena.h" 300#include "jemalloc/internal/bitmap.h" 301#include "jemalloc/internal/base.h" 302#include "jemalloc/internal/chunk.h" 303#include "jemalloc/internal/huge.h" 304#include "jemalloc/internal/rtree.h" 305#include "jemalloc/internal/tcache.h" 306#include "jemalloc/internal/hash.h" 307#include "jemalloc/internal/prof.h" 308 309#undef JEMALLOC_H_TYPES 310/******************************************************************************/ 311#define JEMALLOC_H_STRUCTS 312 313#include "jemalloc/internal/util.h" 314#include "jemalloc/internal/atomic.h" 315#include "jemalloc/internal/prng.h" 316#include "jemalloc/internal/ckh.h" 317#include "jemalloc/internal/size_classes.h" 318#include "jemalloc/internal/stats.h" 319#include "jemalloc/internal/ctl.h" 320#include "jemalloc/internal/mutex.h" 321#include "jemalloc/internal/tsd.h" 322#include "jemalloc/internal/mb.h" 323#include "jemalloc/internal/bitmap.h" 324#include "jemalloc/internal/extent.h" 325#include "jemalloc/internal/arena.h" 326#include "jemalloc/internal/base.h" 327#include "jemalloc/internal/chunk.h" 328#include "jemalloc/internal/huge.h" 329#include "jemalloc/internal/rtree.h" 330#include "jemalloc/internal/tcache.h" 331#include "jemalloc/internal/hash.h" 332#include "jemalloc/internal/prof.h" 333 334typedef struct { 335 uint64_t allocated; 336 uint64_t deallocated; 337} thread_allocated_t; 338/* 339 * The JEMALLOC_CONCAT() wrapper is necessary to pass {0, 0} via a cpp macro 340 * argument. 341 */ 342#define THREAD_ALLOCATED_INITIALIZER JEMALLOC_CONCAT({0, 0}) 343 344#undef JEMALLOC_H_STRUCTS 345/******************************************************************************/ 346#define JEMALLOC_H_EXTERNS 347 348extern bool opt_abort; 349extern bool opt_junk; 350extern bool opt_xmalloc; 351extern bool opt_zero; 352extern size_t opt_narenas; 353 354#ifdef DYNAMIC_PAGE_SHIFT 355extern size_t pagesize; 356extern size_t pagesize_mask; 357extern size_t lg_pagesize; 358#endif 359 360/* Number of CPUs. */ 361extern unsigned ncpus; 362 363extern malloc_mutex_t arenas_lock; /* Protects arenas initialization. */ 364/* 365 * Arenas that are used to service external requests. Not all elements of the 366 * arenas array are necessarily used; arenas are created lazily as needed. 367 */ 368extern arena_t **arenas; 369extern unsigned narenas; 370 371arena_t *arenas_extend(unsigned ind); 372void arenas_cleanup(void *arg); 373arena_t *choose_arena_hard(void); 374void jemalloc_prefork(void); 375void jemalloc_postfork_parent(void); 376void jemalloc_postfork_child(void); 377 378#include "jemalloc/internal/util.h" 379#include "jemalloc/internal/atomic.h" 380#include "jemalloc/internal/prng.h" 381#include "jemalloc/internal/ckh.h" 382#include "jemalloc/internal/size_classes.h" 383#include "jemalloc/internal/stats.h" 384#include "jemalloc/internal/ctl.h" 385#include "jemalloc/internal/mutex.h" 386#include "jemalloc/internal/tsd.h" 387#include "jemalloc/internal/mb.h" 388#include "jemalloc/internal/bitmap.h" 389#include "jemalloc/internal/extent.h" 390#include "jemalloc/internal/arena.h" 391#include "jemalloc/internal/base.h" 392#include "jemalloc/internal/chunk.h" 393#include "jemalloc/internal/huge.h" 394#include "jemalloc/internal/rtree.h" 395#include "jemalloc/internal/tcache.h" 396#include "jemalloc/internal/hash.h" 397#include "jemalloc/internal/prof.h" 398 399#undef JEMALLOC_H_EXTERNS 400/******************************************************************************/ 401#define JEMALLOC_H_INLINES 402 403#include "jemalloc/internal/util.h" 404#include "jemalloc/internal/atomic.h" 405#include "jemalloc/internal/prng.h" 406#include "jemalloc/internal/ckh.h" 407#include "jemalloc/internal/size_classes.h" 408#include "jemalloc/internal/stats.h" 409#include "jemalloc/internal/ctl.h" 410#include "jemalloc/internal/mutex.h" 411#include "jemalloc/internal/tsd.h" 412#include "jemalloc/internal/mb.h" 413#include "jemalloc/internal/extent.h" 414#include "jemalloc/internal/base.h" 415#include "jemalloc/internal/chunk.h" 416#include "jemalloc/internal/huge.h" 417 418#ifndef JEMALLOC_ENABLE_INLINE 419malloc_tsd_protos(JEMALLOC_ATTR(unused), arenas, arena_t *) 420 421size_t s2u(size_t size); 422size_t sa2u(size_t size, size_t alignment, size_t *run_size_p); 423arena_t *choose_arena(void); 424#endif 425 426#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_C_)) 427/* 428 * Map of pthread_self() --> arenas[???], used for selecting an arena to use 429 * for allocations. 430 */ 431malloc_tsd_externs(arenas, arena_t *) 432malloc_tsd_funcs(JEMALLOC_INLINE, arenas, arena_t *, NULL, arenas_cleanup) 433 434/* 435 * Compute usable size that would result from allocating an object with the 436 * specified size. 437 */ 438JEMALLOC_INLINE size_t 439s2u(size_t size) 440{ 441 442 if (size <= SMALL_MAXCLASS) 443 return (arena_bin_info[SMALL_SIZE2BIN(size)].reg_size); 444 if (size <= arena_maxclass) 445 return (PAGE_CEILING(size)); 446 return (CHUNK_CEILING(size)); 447} 448 449/* 450 * Compute usable size that would result from allocating an object with the 451 * specified size and alignment. 452 */ 453JEMALLOC_INLINE size_t 454sa2u(size_t size, size_t alignment, size_t *run_size_p) 455{ 456 size_t usize; 457 458 /* 459 * Round size up to the nearest multiple of alignment. 460 * 461 * This done, we can take advantage of the fact that for each small 462 * size class, every object is aligned at the smallest power of two 463 * that is non-zero in the base two representation of the size. For 464 * example: 465 * 466 * Size | Base 2 | Minimum alignment 467 * -----+----------+------------------ 468 * 96 | 1100000 | 32 469 * 144 | 10100000 | 32 470 * 192 | 11000000 | 64 471 */ 472 usize = (size + (alignment - 1)) & (-alignment); 473 /* 474 * (usize < size) protects against the combination of maximal 475 * alignment and size greater than maximal alignment. 476 */ 477 if (usize < size) { 478 /* size_t overflow. */ 479 return (0); 480 } 481 482 if (usize <= arena_maxclass && alignment <= PAGE_SIZE) { 483 if (usize <= SMALL_MAXCLASS) 484 return (arena_bin_info[SMALL_SIZE2BIN(usize)].reg_size); 485 return (PAGE_CEILING(usize)); 486 } else { 487 size_t run_size; 488 489 /* 490 * We can't achieve subpage alignment, so round up alignment 491 * permanently; it makes later calculations simpler. 492 */ 493 alignment = PAGE_CEILING(alignment); 494 usize = PAGE_CEILING(size); 495 /* 496 * (usize < size) protects against very large sizes within 497 * PAGE_SIZE of SIZE_T_MAX. 498 * 499 * (usize + alignment < usize) protects against the 500 * combination of maximal alignment and usize large enough 501 * to cause overflow. This is similar to the first overflow 502 * check above, but it needs to be repeated due to the new 503 * usize value, which may now be *equal* to maximal 504 * alignment, whereas before we only detected overflow if the 505 * original size was *greater* than maximal alignment. 506 */ 507 if (usize < size || usize + alignment < usize) { 508 /* size_t overflow. */ 509 return (0); 510 } 511 512 /* 513 * Calculate the size of the over-size run that arena_palloc() 514 * would need to allocate in order to guarantee the alignment. 515 */ 516 if (usize >= alignment) 517 run_size = usize + alignment - PAGE_SIZE; 518 else { 519 /* 520 * It is possible that (alignment << 1) will cause 521 * overflow, but it doesn't matter because we also 522 * subtract PAGE_SIZE, which in the case of overflow 523 * leaves us with a very large run_size. That causes 524 * the first conditional below to fail, which means 525 * that the bogus run_size value never gets used for 526 * anything important. 527 */ 528 run_size = (alignment << 1) - PAGE_SIZE; 529 } 530 if (run_size_p != NULL) 531 *run_size_p = run_size; 532 533 if (run_size <= arena_maxclass) 534 return (PAGE_CEILING(usize)); 535 return (CHUNK_CEILING(usize)); 536 } 537} 538 539/* Choose an arena based on a per-thread value. */ 540JEMALLOC_INLINE arena_t * 541choose_arena(void) 542{ 543 arena_t *ret; 544 545 if ((ret = *arenas_tsd_get()) == NULL) { 546 ret = choose_arena_hard(); 547 assert(ret != NULL); 548 } 549 550 return (ret); 551} 552#endif 553 554#include "jemalloc/internal/bitmap.h" 555#include "jemalloc/internal/rtree.h" 556#include "jemalloc/internal/tcache.h" 557#include "jemalloc/internal/arena.h" 558#include "jemalloc/internal/hash.h" 559 560#ifndef JEMALLOC_ENABLE_INLINE 561void *imalloc(size_t size); 562void *icalloc(size_t size); 563void *ipalloc(size_t usize, size_t alignment, bool zero); 564size_t isalloc(const void *ptr); 565size_t ivsalloc(const void *ptr); 566void idalloc(void *ptr); 567void *iralloc(void *ptr, size_t size, size_t extra, size_t alignment, 568 bool zero, bool no_move); 569malloc_tsd_protos(JEMALLOC_ATTR(unused), thread_allocated, thread_allocated_t) 570#endif 571 572#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_C_)) 573JEMALLOC_INLINE void * 574imalloc(size_t size) 575{ 576 577 assert(size != 0); 578 579 if (size <= arena_maxclass) 580 return (arena_malloc(size, false)); 581 else 582 return (huge_malloc(size, false)); 583} 584 585JEMALLOC_INLINE void * 586icalloc(size_t size) 587{ 588 589 if (size <= arena_maxclass) 590 return (arena_malloc(size, true)); 591 else 592 return (huge_malloc(size, true)); 593} 594 595JEMALLOC_INLINE void * 596ipalloc(size_t usize, size_t alignment, bool zero) 597{ 598 void *ret; 599 600 assert(usize != 0); 601 assert(usize == sa2u(usize, alignment, NULL)); 602 603 if (usize <= arena_maxclass && alignment <= PAGE_SIZE) 604 ret = arena_malloc(usize, zero); 605 else { 606 size_t run_size JEMALLOC_CC_SILENCE_INIT(0); 607 608 /* 609 * Ideally we would only ever call sa2u() once per aligned 610 * allocation request, and the caller of this function has 611 * already done so once. However, it's rather burdensome to 612 * require every caller to pass in run_size, especially given 613 * that it's only relevant to large allocations. Therefore, 614 * just call it again here in order to get run_size. 615 */ 616 sa2u(usize, alignment, &run_size); 617 if (run_size <= arena_maxclass) { 618 ret = arena_palloc(choose_arena(), usize, run_size, 619 alignment, zero); 620 } else if (alignment <= chunksize) 621 ret = huge_malloc(usize, zero); 622 else 623 ret = huge_palloc(usize, alignment, zero); 624 } 625 626 assert(((uintptr_t)ret & (alignment - 1)) == 0); 627 return (ret); 628} 629 630JEMALLOC_INLINE size_t 631isalloc(const void *ptr) 632{ 633 size_t ret; 634 arena_chunk_t *chunk; 635 636 assert(ptr != NULL); 637 638 chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); 639 if (chunk != ptr) { 640 /* Region. */ 641 if (config_prof) 642 ret = arena_salloc_demote(ptr); 643 else 644 ret = arena_salloc(ptr); 645 } else 646 ret = huge_salloc(ptr); 647 648 return (ret); 649} 650 651JEMALLOC_INLINE size_t 652ivsalloc(const void *ptr) 653{ 654 655 /* Return 0 if ptr is not within a chunk managed by jemalloc. */ 656 if (rtree_get(chunks_rtree, (uintptr_t)CHUNK_ADDR2BASE(ptr)) == NULL) 657 return (0); 658 659 return (isalloc(ptr)); 660} 661 662JEMALLOC_INLINE void 663idalloc(void *ptr) 664{ 665 arena_chunk_t *chunk; 666 667 assert(ptr != NULL); 668 669 chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); 670 if (chunk != ptr) 671 arena_dalloc(chunk->arena, chunk, ptr); 672 else 673 huge_dalloc(ptr, true); 674} 675 676JEMALLOC_INLINE void * 677iralloc(void *ptr, size_t size, size_t extra, size_t alignment, bool zero, 678 bool no_move) 679{ 680 void *ret; 681 size_t oldsize; 682 683 assert(ptr != NULL); 684 assert(size != 0); 685 686 oldsize = isalloc(ptr); 687 688 if (alignment != 0 && ((uintptr_t)ptr & ((uintptr_t)alignment-1)) 689 != 0) { 690 size_t usize, copysize; 691 692 /* 693 * Existing object alignment is inadquate; allocate new space 694 * and copy. 695 */ 696 if (no_move) 697 return (NULL); 698 usize = sa2u(size + extra, alignment, NULL); 699 if (usize == 0) 700 return (NULL); 701 ret = ipalloc(usize, alignment, zero); 702 if (ret == NULL) { 703 if (extra == 0) 704 return (NULL); 705 /* Try again, without extra this time. */ 706 usize = sa2u(size, alignment, NULL); 707 if (usize == 0) 708 return (NULL); 709 ret = ipalloc(usize, alignment, zero); 710 if (ret == NULL) 711 return (NULL); 712 } 713 /* 714 * Copy at most size bytes (not size+extra), since the caller 715 * has no expectation that the extra bytes will be reliably 716 * preserved. 717 */ 718 copysize = (size < oldsize) ? size : oldsize; 719 memcpy(ret, ptr, copysize); 720 idalloc(ptr); 721 return (ret); 722 } 723 724 if (no_move) { 725 if (size <= arena_maxclass) { 726 return (arena_ralloc_no_move(ptr, oldsize, size, 727 extra, zero)); 728 } else { 729 return (huge_ralloc_no_move(ptr, oldsize, size, 730 extra)); 731 } 732 } else { 733 if (size + extra <= arena_maxclass) { 734 return (arena_ralloc(ptr, oldsize, size, extra, 735 alignment, zero)); 736 } else { 737 return (huge_ralloc(ptr, oldsize, size, extra, 738 alignment, zero)); 739 } 740 } 741} 742 743malloc_tsd_externs(thread_allocated, thread_allocated_t) 744malloc_tsd_funcs(JEMALLOC_INLINE, thread_allocated, thread_allocated_t, 745 THREAD_ALLOCATED_INITIALIZER, malloc_tsd_no_cleanup) 746#endif 747 748#include "jemalloc/internal/prof.h" 749 750#undef JEMALLOC_H_INLINES 751/******************************************************************************/ 752