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chunk_mmap.c (234370) chunk_mmap.c (234543)
1#define JEMALLOC_CHUNK_MMAP_C_
2#include "jemalloc/internal/jemalloc_internal.h"
3
4/******************************************************************************/
5/* Data. */
6
7/*
8 * Used by chunk_alloc_mmap() to decide whether to attempt the fast path and

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67
68 buferror(errno, buf, sizeof(buf));
69 malloc_printf("<jemalloc>: Error in munmap(): %s\n", buf);
70 if (opt_abort)
71 abort();
72 }
73}
74
1#define JEMALLOC_CHUNK_MMAP_C_
2#include "jemalloc/internal/jemalloc_internal.h"
3
4/******************************************************************************/
5/* Data. */
6
7/*
8 * Used by chunk_alloc_mmap() to decide whether to attempt the fast path and

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67
68 buferror(errno, buf, sizeof(buf));
69 malloc_printf("<jemalloc>: Error in munmap(): %s\n", buf);
70 if (opt_abort)
71 abort();
72 }
73}
74
75void
76pages_purge(void *addr, size_t length)
77{
78
79#ifdef JEMALLOC_PURGE_MADVISE_DONTNEED
80# define JEMALLOC_MADV_PURGE MADV_DONTNEED
81#elif defined(JEMALLOC_PURGE_MADVISE_FREE)
82# define JEMALLOC_MADV_PURGE MADV_FREE
83#else
84# error "No method defined for purging unused dirty pages."
85#endif
86 madvise(addr, length, JEMALLOC_MADV_PURGE);
87}
88
75static void *
76chunk_alloc_mmap_slow(size_t size, size_t alignment, bool unaligned)
77{
78 void *ret, *pages;
79 size_t alloc_size, leadsize, trailsize;
80
81 alloc_size = size + alignment - PAGE;
82 /* Beware size_t wrap-around. */

--- 125 unchanged lines hidden --- 		89static void *
90chunk_alloc_mmap_slow(size_t size, size_t alignment, bool unaligned)
91{
92 void *ret, *pages;
93 size_t alloc_size, leadsize, trailsize;
94
95 alloc_size = size + alignment - PAGE;
96 /* Beware size_t wrap-around. */

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