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| #define JEMALLOC_EXTENT_MMAP_C_
| #include "jemalloc/internal/jemalloc_preamble.h"
| #include "jemalloc/internal/jemalloc_internal_includes.h"
|
| #include "jemalloc/internal/assert.h"
| #include "jemalloc/internal/extent_mmap.h"
|
| /******************************************************************************/
| /* Data. */
|
| bool opt_retain =
| #ifdef JEMALLOC_RETAIN
| true
| #else
| false
| #endif
| ;
|
| /******************************************************************************/
|
| void *
| extent_alloc_mmap(void *new_addr, size_t size, size_t alignment, bool *zero,
| bool *commit) {
| void *ret = pages_map(new_addr, size, ALIGNMENT_CEILING(alignment,
| PAGE), commit);
| if (ret == NULL) {
| return NULL;
| }
| assert(ret != NULL);
| if (*commit) {
| *zero = true;
| }
| return ret;
| }
|
| bool
| extent_dalloc_mmap(void *addr, size_t size) {
| if (!opt_retain) {
| pages_unmap(addr, size);
| }
| return opt_retain;
| }
|
|
