server-skynet-source-3rd-je.../include/jemalloc/internal/extent.h

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/******************************************************************************/
#ifdef JEMALLOC_H_TYPES
typedef struct extent_node_s extent_node_t;
#endif /* JEMALLOC_H_TYPES */
/******************************************************************************/
#ifdef JEMALLOC_H_STRUCTS
/* Tree of extents. */
struct extent_node_s {
/* Arena from which this extent came, if any. */
arena_t *arena;
/* Pointer to the extent that this tree node is responsible for. */
void *addr;
/*
* Total region size, or 0 if this node corresponds to an arena chunk.
*/
size_t size;
/*
* 'prof_tctx' and 'zeroed' are never needed at the same time, so
* overlay them in order to fit extent_node_t in one cache line.
*/
union {
/* Profile counters, used for huge objects. */
prof_tctx_t *prof_tctx;
/* True if zero-filled; used by chunk recycling code. */
bool zeroed;
};
union {
/* Linkage for the size/address-ordered tree. */
rb_node(extent_node_t) link_szad;
/* Linkage for huge allocations and cached chunks nodes. */
ql_elm(extent_node_t) link_ql;
};
/* Linkage for the address-ordered tree. */
rb_node(extent_node_t) link_ad;
};
typedef rb_tree(extent_node_t) extent_tree_t;
#endif /* JEMALLOC_H_STRUCTS */
/******************************************************************************/
#ifdef JEMALLOC_H_EXTERNS
rb_proto(, extent_tree_szad_, extent_tree_t, extent_node_t)
rb_proto(, extent_tree_ad_, extent_tree_t, extent_node_t)
#endif /* JEMALLOC_H_EXTERNS */
/******************************************************************************/
#ifdef JEMALLOC_H_INLINES
#endif /* JEMALLOC_H_INLINES */
/******************************************************************************/