#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) {

	assert(alignment == ALIGNMENT_CEILING(alignment, PAGE));

	void *ret = pages_map(new_addr, size, alignment, 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;

}