Remove all vestiges of chunks.

Remove mallctls:
- opt.lg_chunk
- stats.cactive

This resolves #464.

include/jemalloc/internal/chunk.h

@@ -1,36 +0,0 @@
-/******************************************************************************/
-#ifdef JEMALLOC_H_TYPES
-
-/*
- * Size and alignment of memory chunks that are allocated by the OS's virtual
- * memory system.
- */
-#define	LG_CHUNK_DEFAULT	21
-
-/* Return the smallest chunk multiple that is >= s. */
-#define	CHUNK_CEILING(s)						\
-	(((s) + chunksize_mask) & ~chunksize_mask)
-
-#endif /* JEMALLOC_H_TYPES */
-/******************************************************************************/
-#ifdef JEMALLOC_H_STRUCTS
-
-#endif /* JEMALLOC_H_STRUCTS */
-/******************************************************************************/
-#ifdef JEMALLOC_H_EXTERNS
-
-extern size_t		opt_lg_chunk;
-extern const char	*opt_dss;
-
-extern size_t		chunksize;
-extern size_t		chunksize_mask; /* (chunksize - 1). */
-extern size_t		chunk_npages;
-
-bool	chunk_boot(void);
-
-#endif /* JEMALLOC_H_EXTERNS */
-/******************************************************************************/
-#ifdef JEMALLOC_H_INLINES
-
-#endif /* JEMALLOC_H_INLINES */
-/******************************************************************************/

include/jemalloc/internal/extent_dss.h

@@ -21,6 +21,8 @@ extern const char *dss_prec_names[];
 /******************************************************************************/
 #ifdef JEMALLOC_H_EXTERNS
 
+extern const char	*opt_dss;
+
 dss_prec_t	extent_dss_prec_get(tsdn_t *tsdn);
 bool	extent_dss_prec_set(tsdn_t *tsdn, dss_prec_t dss_prec);
 void	*extent_alloc_dss(tsdn_t *tsdn, arena_t *arena, void *new_addr,

include/jemalloc/internal/jemalloc_internal.h.in

@@ -363,7 +363,6 @@ typedef unsigned szind_t;
 #include "jemalloc/internal/base.h"
 #include "jemalloc/internal/rtree.h"
 #include "jemalloc/internal/pages.h"
-#include "jemalloc/internal/chunk.h"
 #include "jemalloc/internal/large.h"
 #include "jemalloc/internal/tcache.h"
 #include "jemalloc/internal/hash.h"
@@ -397,7 +396,6 @@ typedef unsigned szind_t;
 #include "jemalloc/internal/base.h"
 #include "jemalloc/internal/rtree.h"
 #include "jemalloc/internal/pages.h"
-#include "jemalloc/internal/chunk.h"
 #include "jemalloc/internal/large.h"
 #include "jemalloc/internal/tcache.h"
 #include "jemalloc/internal/hash.h"
@@ -483,7 +481,6 @@ void	jemalloc_postfork_child(void);
 #include "jemalloc/internal/base.h"
 #include "jemalloc/internal/rtree.h"
 #include "jemalloc/internal/pages.h"
-#include "jemalloc/internal/chunk.h"
 #include "jemalloc/internal/large.h"
 #include "jemalloc/internal/tcache.h"
 #include "jemalloc/internal/hash.h"
@@ -512,7 +509,6 @@ void	jemalloc_postfork_child(void);
 #include "jemalloc/internal/extent.h"
 #include "jemalloc/internal/base.h"
 #include "jemalloc/internal/pages.h"
-#include "jemalloc/internal/chunk.h"
 #include "jemalloc/internal/large.h"
 
 #ifndef JEMALLOC_ENABLE_INLINE

include/jemalloc/internal/private_symbols.txt

@@ -110,10 +110,6 @@ bootstrap_free
 bootstrap_malloc
 bt_init
 buferror
-chunk_boot
-chunk_npages
-chunksize
-chunksize_mask
 ckh_count
 ckh_delete
 ckh_insert
@@ -306,7 +302,6 @@ opt_dss
 opt_junk
 opt_junk_alloc
 opt_junk_free
-opt_lg_chunk
 opt_lg_prof_interval
 opt_lg_prof_sample
 opt_lg_tcache_max
@@ -430,10 +425,6 @@ size2index
 size2index_compute
 size2index_lookup
 size2index_tab
-stats_cactive
-stats_cactive_add
-stats_cactive_get
-stats_cactive_sub
 stats_print
 tcache_alloc_easy
 tcache_alloc_large

include/jemalloc/internal/stats.h

@@ -118,8 +118,6 @@ struct arena_stats_s {
 
 extern bool	opt_stats_print;
 
-extern size_t	stats_cactive;
-
 void	stats_print(void (*write)(void *, const char *), void *cbopaque,
     const char *opts);
 
@@ -127,44 +125,5 @@ void	stats_print(void (*write)(void *, const char *), void *cbopaque,
 /******************************************************************************/
 #ifdef JEMALLOC_H_INLINES
 
-#ifndef JEMALLOC_ENABLE_INLINE
-size_t	stats_cactive_get(void);
-void	stats_cactive_add(size_t size);
-void	stats_cactive_sub(size_t size);
-#endif
-
-#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_STATS_C_))
-JEMALLOC_INLINE size_t
-stats_cactive_get(void)
-{
-
-	return (atomic_read_z(&stats_cactive));
-}
-
-JEMALLOC_INLINE void
-stats_cactive_add(size_t size)
-{
-	UNUSED size_t cactive;
-
-	assert(size > 0);
-	assert((size & chunksize_mask) == 0);
-
-	cactive = atomic_add_z(&stats_cactive, size);
-	assert(cactive - size < cactive);
-}
-
-JEMALLOC_INLINE void
-stats_cactive_sub(size_t size)
-{
-	UNUSED size_t cactive;
-
-	assert(size > 0);
-	assert((size & chunksize_mask) == 0);
-
-	cactive = atomic_sub_z(&stats_cactive, size);
-	assert(cactive + size > cactive);
-}
-#endif
-
 #endif /* JEMALLOC_H_INLINES */
 /******************************************************************************/