jemalloc/src/jemalloc_extent.c

#define	JEMALLOC_EXTENT_C_
#include "internal/jemalloc_internal.h"

/******************************************************************************/

#ifdef JEMALLOC_DSS
static inline int
extent_szad_comp(extent_node_t *a, extent_node_t *b)
{
	int ret;
	size_t a_size = a->size;
	size_t b_size = b->size;

	ret = (a_size > b_size) - (a_size < b_size);
	if (ret == 0) {
		uintptr_t a_addr = (uintptr_t)a->addr;
		uintptr_t b_addr = (uintptr_t)b->addr;

		ret = (a_addr > b_addr) - (a_addr < b_addr);
	}

	return (ret);
}

/* Wrap red-black tree macros in functions. */
rb_wrap(, extent_tree_szad_, extent_tree_t, extent_node_t, link_szad,
    extent_szad_comp)
#endif

static inline int
extent_ad_comp(extent_node_t *a, extent_node_t *b)
{
	uintptr_t a_addr = (uintptr_t)a->addr;
	uintptr_t b_addr = (uintptr_t)b->addr;

	return ((a_addr > b_addr) - (a_addr < b_addr));
}

/* Wrap red-black tree macros in functions. */
rb_wrap(, extent_tree_ad_, extent_tree_t, extent_node_t, link_ad,
    extent_ad_comp)