Refactor chunk_dalloc_{cache,wrapper}() to take extent arguments.

Rename arena_extent_[d]alloc() to extent_[d]alloc().

Move all chunk [de]registration responsibility into chunk.c.

include/jemalloc/internal/arena.h

@@ -478,17 +478,14 @@ extent_t	*arena_chunk_cache_alloc(tsdn_t *tsdn, arena_t *arena,
     chunk_hooks_t *chunk_hooks, void *new_addr, size_t size, size_t alignment,
     bool *zero);
 void	arena_chunk_cache_dalloc(tsdn_t *tsdn, arena_t *arena,
-    chunk_hooks_t *chunk_hooks, void *chunk, size_t size, bool committed);
+    chunk_hooks_t *chunk_hooks, extent_t *extent);
 void	arena_chunk_cache_maybe_insert(arena_t *arena, extent_t *extent,
     bool cache);
 void	arena_chunk_cache_maybe_remove(arena_t *arena, extent_t *extent,
     bool cache);
-extent_t	*arena_extent_alloc(tsdn_t *tsdn, arena_t *arena);
-void	arena_extent_dalloc(tsdn_t *tsdn, arena_t *arena, extent_t *extent);
 extent_t	*arena_chunk_alloc_huge(tsdn_t *tsdn, arena_t *arena,
     size_t usize, size_t alignment, bool *zero);
-void	arena_chunk_dalloc_huge(tsdn_t *tsdn, arena_t *arena, void *chunk,
-    size_t usize);
+void	arena_chunk_dalloc_huge(tsdn_t *tsdn, arena_t *arena, extent_t *extent);
 void	arena_chunk_ralloc_huge_similar(tsdn_t *tsdn, arena_t *arena,
     extent_t *extent, size_t oldsize);
 void	arena_chunk_ralloc_huge_shrink(tsdn_t *tsdn, arena_t *arena,

include/jemalloc/internal/chunk.h

@@ -52,9 +52,6 @@ chunk_hooks_t	chunk_hooks_get(tsdn_t *tsdn, arena_t *arena);
 chunk_hooks_t	chunk_hooks_set(tsdn_t *tsdn, arena_t *arena,
     const chunk_hooks_t *chunk_hooks);
 
-bool	chunk_register(tsdn_t *tsdn, const extent_t *extent);
-void	chunk_deregister(tsdn_t *tsdn, const extent_t *extent);
-void	chunk_reregister(tsdn_t *tsdn, const extent_t *extent);
 extent_t	*chunk_alloc_cache(tsdn_t *tsdn, arena_t *arena,
     chunk_hooks_t *chunk_hooks, void *new_addr, size_t size, size_t alignment,
     bool *zero);
@@ -62,10 +59,9 @@ extent_t	*chunk_alloc_wrapper(tsdn_t *tsdn, arena_t *arena,
     chunk_hooks_t *chunk_hooks, void *new_addr, size_t size, size_t alignment,
     bool *zero, bool *commit);
 void	chunk_dalloc_cache(tsdn_t *tsdn, arena_t *arena,
-    chunk_hooks_t *chunk_hooks, void *chunk, size_t size, bool committed);
+    chunk_hooks_t *chunk_hooks, extent_t *extent);
 void	chunk_dalloc_wrapper(tsdn_t *tsdn, arena_t *arena,
-    chunk_hooks_t *chunk_hooks, void *chunk, size_t size, bool zeroed,
-    bool committed);
+    chunk_hooks_t *chunk_hooks, extent_t *extent);
 bool	chunk_commit_wrapper(tsdn_t *tsdn, arena_t *arena,
     chunk_hooks_t *chunk_hooks, void *chunk, size_t size, size_t offset,
     size_t length);

include/jemalloc/internal/extent.h

@@ -62,6 +62,9 @@ typedef ph(extent_t) extent_heap_t;
 /******************************************************************************/
 #ifdef JEMALLOC_H_EXTERNS
 
+extent_t	*extent_alloc(tsdn_t *tsdn, arena_t *arena);
+void	extent_dalloc(tsdn_t *tsdn, arena_t *arena, extent_t *extent);
+
 #ifdef JEMALLOC_JET
 typedef size_t (extent_size_quantize_t)(size_t);
 extern extent_size_quantize_t *extent_size_quantize_floor;

include/jemalloc/internal/private_symbols.txt

@@ -37,8 +37,6 @@ arena_decay_time_get
 arena_decay_time_set
 arena_dss_prec_get
 arena_dss_prec_set
-arena_extent_alloc
-arena_extent_dalloc
 arena_get
 arena_ichoose
 arena_init
@@ -166,7 +164,6 @@ chunk_dalloc_cache
 chunk_dalloc_mmap
 chunk_dalloc_wrapper
 chunk_decommit_wrapper
-chunk_deregister
 chunk_dss_boot
 chunk_dss_postfork_child
 chunk_dss_postfork_parent
@@ -184,8 +181,6 @@ chunk_postfork_child
 chunk_postfork_parent
 chunk_prefork
 chunk_purge_wrapper
-chunk_register
-chunk_reregister
 chunk_split_wrapper
 chunks_rtree
 chunksize
@@ -214,10 +209,12 @@ extent_active_get
 extent_active_set
 extent_addr_get
 extent_addr_set
+extent_alloc
 extent_arena_get
 extent_arena_set
 extent_committed_get
 extent_committed_set
+extent_dalloc
 extent_dirty_insert
 extent_dirty_remove
 extent_init