Merge branch 'dev'5.0.0

1 files changed, 0 insertions, 472 deletions

diff --git a/include/jemalloc/internal/tcache.h b/include/jemalloc/internal/tcache.h
deleted file mode 100644
index 5fe5ebf..0000000
--- a/include/jemalloc/internal/tcache.h
+++ /dev/null
@@ -1,472 +0,0 @@
-/******************************************************************************/
-#ifdef JEMALLOC_H_TYPES
-
-typedef struct tcache_bin_info_s tcache_bin_info_t;
-typedef struct tcache_bin_s tcache_bin_t;
-typedef struct tcache_s tcache_t;
-typedef struct tcaches_s tcaches_t;
-
-/*
- * tcache pointers close to NULL are used to encode state information that is
- * used for two purposes: preventing thread caching on a per thread basis and
- * cleaning up during thread shutdown.
- */
-#define	TCACHE_STATE_DISABLED		((tcache_t *)(uintptr_t)1)
-#define	TCACHE_STATE_REINCARNATED	((tcache_t *)(uintptr_t)2)
-#define	TCACHE_STATE_PURGATORY		((tcache_t *)(uintptr_t)3)
-#define	TCACHE_STATE_MAX		TCACHE_STATE_PURGATORY
-
-/*
- * Absolute minimum number of cache slots for each small bin.
- */
-#define	TCACHE_NSLOTS_SMALL_MIN		20
-
-/*
- * Absolute maximum number of cache slots for each small bin in the thread
- * cache.  This is an additional constraint beyond that imposed as: twice the
- * number of regions per run for this size class.
- *
- * This constant must be an even number.
- */
-#define	TCACHE_NSLOTS_SMALL_MAX		200
-
-/* Number of cache slots for large size classes. */
-#define	TCACHE_NSLOTS_LARGE		20
-
-/* (1U << opt_lg_tcache_max) is used to compute tcache_maxclass. */
-#define	LG_TCACHE_MAXCLASS_DEFAULT	15
-
-/*
- * TCACHE_GC_SWEEP is the approximate number of allocation events between
- * full GC sweeps.  Integer rounding may cause the actual number to be
- * slightly higher, since GC is performed incrementally.
- */
-#define	TCACHE_GC_SWEEP			8192
-
-/* Number of tcache allocation/deallocation events between incremental GCs. */
-#define	TCACHE_GC_INCR							\
-    ((TCACHE_GC_SWEEP / NBINS) + ((TCACHE_GC_SWEEP / NBINS == 0) ? 0 : 1))
-
-#endif /* JEMALLOC_H_TYPES */
-/******************************************************************************/
-#ifdef JEMALLOC_H_STRUCTS
-
-typedef enum {
-	tcache_enabled_false   = 0, /* Enable cast to/from bool. */
-	tcache_enabled_true    = 1,
-	tcache_enabled_default = 2
-} tcache_enabled_t;
-
-/*
- * Read-only information associated with each element of tcache_t's tbins array
- * is stored separately, mainly to reduce memory usage.
- */
-struct tcache_bin_info_s {
-	unsigned	ncached_max;	/* Upper limit on ncached. */
-};
-
-struct tcache_bin_s {
-	tcache_bin_stats_t tstats;
-	int		low_water;	/* Min # cached since last GC. */
-	unsigned	lg_fill_div;	/* Fill (ncached_max >> lg_fill_div). */
-	unsigned	ncached;	/* # of cached objects. */
-	/*
-	 * To make use of adjacent cacheline prefetch, the items in the avail
-	 * stack goes to higher address for newer allocations.  avail points
-	 * just above the available space, which means that
-	 * avail[-ncached, ... -1] are available items and the lowest item will
-	 * be allocated first.
-	 */
-	void		**avail;	/* Stack of available objects. */
-};
-
-struct tcache_s {
-	ql_elm(tcache_t) link;		/* Used for aggregating stats. */
-	uint64_t	prof_accumbytes;/* Cleared after arena_prof_accum(). */
-	ticker_t	gc_ticker;	/* Drives incremental GC. */
-	szind_t		next_gc_bin;	/* Next bin to GC. */
-	tcache_bin_t	tbins[1];	/* Dynamically sized. */
-	/*
-	 * The pointer stacks associated with tbins follow as a contiguous
-	 * array.  During tcache initialization, the avail pointer in each
-	 * element of tbins is initialized to point to the proper offset within
-	 * this array.
-	 */
-};
-
-/* Linkage for list of available (previously used) explicit tcache IDs. */
-struct tcaches_s {
-	union {
-		tcache_t	*tcache;
-		tcaches_t	*next;
-	};
-};
-
-#endif /* JEMALLOC_H_STRUCTS */
-/******************************************************************************/
-#ifdef JEMALLOC_H_EXTERNS
-
-extern bool	opt_tcache;
-extern ssize_t	opt_lg_tcache_max;
-
-extern tcache_bin_info_t	*tcache_bin_info;
-
-/*
- * Number of tcache bins.  There are NBINS small-object bins, plus 0 or more
- * large-object bins.
- */
-extern unsigned	nhbins;
-
-/* Maximum cached size class. */
-extern size_t	tcache_maxclass;
-
-/*
- * Explicit tcaches, managed via the tcache.{create,flush,destroy} mallctls and
- * usable via the MALLOCX_TCACHE() flag.  The automatic per thread tcaches are
- * completely disjoint from this data structure.  tcaches starts off as a sparse
- * array, so it has no physical memory footprint until individual pages are
- * touched.  This allows the entire array to be allocated the first time an
- * explicit tcache is created without a disproportionate impact on memory usage.
- */
-extern tcaches_t	*tcaches;
-
-size_t	tcache_salloc(tsdn_t *tsdn, const void *ptr);
-void	tcache_event_hard(tsd_t *tsd, tcache_t *tcache);
-void	*tcache_alloc_small_hard(tsdn_t *tsdn, arena_t *arena, tcache_t *tcache,
-    tcache_bin_t *tbin, szind_t binind, bool *tcache_success);
-void	tcache_bin_flush_small(tsd_t *tsd, tcache_t *tcache, tcache_bin_t *tbin,
-    szind_t binind, unsigned rem);
-void	tcache_bin_flush_large(tsd_t *tsd, tcache_bin_t *tbin, szind_t binind,
-    unsigned rem, tcache_t *tcache);
-void	tcache_arena_reassociate(tsdn_t *tsdn, tcache_t *tcache,
-    arena_t *oldarena, arena_t *newarena);
-tcache_t *tcache_get_hard(tsd_t *tsd);
-tcache_t *tcache_create(tsdn_t *tsdn, arena_t *arena);
-void	tcache_cleanup(tsd_t *tsd);
-void	tcache_enabled_cleanup(tsd_t *tsd);
-void	tcache_stats_merge(tsdn_t *tsdn, tcache_t *tcache, arena_t *arena);
-bool	tcaches_create(tsd_t *tsd, unsigned *r_ind);
-void	tcaches_flush(tsd_t *tsd, unsigned ind);
-void	tcaches_destroy(tsd_t *tsd, unsigned ind);
-bool	tcache_boot(tsdn_t *tsdn);
-void tcache_prefork(tsdn_t *tsdn);
-void tcache_postfork_parent(tsdn_t *tsdn);
-void tcache_postfork_child(tsdn_t *tsdn);
-
-#endif /* JEMALLOC_H_EXTERNS */
-/******************************************************************************/
-#ifdef JEMALLOC_H_INLINES
-
-#ifndef JEMALLOC_ENABLE_INLINE
-void	tcache_event(tsd_t *tsd, tcache_t *tcache);
-void	tcache_flush(void);
-bool	tcache_enabled_get(void);
-tcache_t *tcache_get(tsd_t *tsd, bool create);
-void	tcache_enabled_set(bool enabled);
-void	*tcache_alloc_easy(tcache_bin_t *tbin, bool *tcache_success);
-void	*tcache_alloc_small(tsd_t *tsd, arena_t *arena, tcache_t *tcache,
-    size_t size, szind_t ind, bool zero, bool slow_path);
-void	*tcache_alloc_large(tsd_t *tsd, arena_t *arena, tcache_t *tcache,
-    size_t size, szind_t ind, bool zero, bool slow_path);
-void	tcache_dalloc_small(tsd_t *tsd, tcache_t *tcache, void *ptr,
-    szind_t binind, bool slow_path);
-void	tcache_dalloc_large(tsd_t *tsd, tcache_t *tcache, void *ptr,
-    size_t size, bool slow_path);
-tcache_t	*tcaches_get(tsd_t *tsd, unsigned ind);
-#endif
-
-#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_TCACHE_C_))
-JEMALLOC_INLINE void
-tcache_flush(void)
-{
-	tsd_t *tsd;
-
-	cassert(config_tcache);
-
-	tsd = tsd_fetch();
-	tcache_cleanup(tsd);
-}
-
-JEMALLOC_INLINE bool
-tcache_enabled_get(void)
-{
-	tsd_t *tsd;
-	tcache_enabled_t tcache_enabled;
-
-	cassert(config_tcache);
-
-	tsd = tsd_fetch();
-	tcache_enabled = tsd_tcache_enabled_get(tsd);
-	if (tcache_enabled == tcache_enabled_default) {
-		tcache_enabled = (tcache_enabled_t)opt_tcache;
-		tsd_tcache_enabled_set(tsd, tcache_enabled);
-	}
-
-	return ((bool)tcache_enabled);
-}
-
-JEMALLOC_INLINE void
-tcache_enabled_set(bool enabled)
-{
-	tsd_t *tsd;
-	tcache_enabled_t tcache_enabled;
-
-	cassert(config_tcache);
-
-	tsd = tsd_fetch();
-
-	tcache_enabled = (tcache_enabled_t)enabled;
-	tsd_tcache_enabled_set(tsd, tcache_enabled);
-
-	if (!enabled)
-		tcache_cleanup(tsd);
-}
-
-JEMALLOC_ALWAYS_INLINE tcache_t *
-tcache_get(tsd_t *tsd, bool create)
-{
-	tcache_t *tcache;
-
-	if (!config_tcache)
-		return (NULL);
-
-	tcache = tsd_tcache_get(tsd);
-	if (!create)
-		return (tcache);
-	if (unlikely(tcache == NULL) && tsd_nominal(tsd)) {
-		tcache = tcache_get_hard(tsd);
-		tsd_tcache_set(tsd, tcache);
-	}
-
-	return (tcache);
-}
-
-JEMALLOC_ALWAYS_INLINE void
-tcache_event(tsd_t *tsd, tcache_t *tcache)
-{
-
-	if (TCACHE_GC_INCR == 0)
-		return;
-
-	if (unlikely(ticker_tick(&tcache->gc_ticker)))
-		tcache_event_hard(tsd, tcache);
-}
-
-JEMALLOC_ALWAYS_INLINE void *
-tcache_alloc_easy(tcache_bin_t *tbin, bool *tcache_success)
-{
-	void *ret;
-
-	if (unlikely(tbin->ncached == 0)) {
-		tbin->low_water = -1;
-		*tcache_success = false;
-		return (NULL);
-	}
-	/*
-	 * tcache_success (instead of ret) should be checked upon the return of
-	 * this function.  We avoid checking (ret == NULL) because there is
-	 * never a null stored on the avail stack (which is unknown to the
-	 * compiler), and eagerly checking ret would cause pipeline stall
-	 * (waiting for the cacheline).
-	 */
-	*tcache_success = true;
-	ret = *(tbin->avail - tbin->ncached);
-	tbin->ncached--;
-
-	if (unlikely((int)tbin->ncached < tbin->low_water))
-		tbin->low_water = tbin->ncached;
-
-	return (ret);
-}
-
-JEMALLOC_ALWAYS_INLINE void *
-tcache_alloc_small(tsd_t *tsd, arena_t *arena, tcache_t *tcache, size_t size,
-    szind_t binind, bool zero, bool slow_path)
-{
-	void *ret;
-	tcache_bin_t *tbin;
-	bool tcache_success;
-	size_t usize JEMALLOC_CC_SILENCE_INIT(0);
-
-	assert(binind < NBINS);
-	tbin = &tcache->tbins[binind];
-	ret = tcache_alloc_easy(tbin, &tcache_success);
-	assert(tcache_success == (ret != NULL));
-	if (unlikely(!tcache_success)) {
-		bool tcache_hard_success;
-		arena = arena_choose(tsd, arena);
-		if (unlikely(arena == NULL))
-			return (NULL);
-
-		ret = tcache_alloc_small_hard(tsd_tsdn(tsd), arena, tcache,
-		    tbin, binind, &tcache_hard_success);
-		if (tcache_hard_success == false)
-			return (NULL);
-	}
-
-	assert(ret);
-	/*
-	 * Only compute usize if required.  The checks in the following if
-	 * statement are all static.
-	 */
-	if (config_prof || (slow_path && config_fill) || unlikely(zero)) {
-		usize = index2size(binind);
-		assert(tcache_salloc(tsd_tsdn(tsd), ret) == usize);
-	}
-
-	if (likely(!zero)) {
-		if (slow_path && config_fill) {
-			if (unlikely(opt_junk_alloc)) {
-				arena_alloc_junk_small(ret,
-				    &arena_bin_info[binind], false);
-			} else if (unlikely(opt_zero))
-				memset(ret, 0, usize);
-		}
-	} else {
-		if (slow_path && config_fill && unlikely(opt_junk_alloc)) {
-			arena_alloc_junk_small(ret, &arena_bin_info[binind],
-			    true);
-		}
-		memset(ret, 0, usize);
-	}
-
-	if (config_stats)
-		tbin->tstats.nrequests++;
-	if (config_prof)
-		tcache->prof_accumbytes += usize;
-	tcache_event(tsd, tcache);
-	return (ret);
-}
-
-JEMALLOC_ALWAYS_INLINE void *
-tcache_alloc_large(tsd_t *tsd, arena_t *arena, tcache_t *tcache, size_t size,
-    szind_t binind, bool zero, bool slow_path)
-{
-	void *ret;
-	tcache_bin_t *tbin;
-	bool tcache_success;
-
-	assert(binind < nhbins);
-	tbin = &tcache->tbins[binind];
-	ret = tcache_alloc_easy(tbin, &tcache_success);
-	assert(tcache_success == (ret != NULL));
-	if (unlikely(!tcache_success)) {
-		/*
-		 * Only allocate one large object at a time, because it's quite
-		 * expensive to create one and not use it.
-		 */
-		arena = arena_choose(tsd, arena);
-		if (unlikely(arena == NULL))
-			return (NULL);
-
-		ret = arena_malloc_large(tsd_tsdn(tsd), arena, binind, zero);
-		if (ret == NULL)
-			return (NULL);
-	} else {
-		size_t usize JEMALLOC_CC_SILENCE_INIT(0);
-
-		/* Only compute usize on demand */
-		if (config_prof || (slow_path && config_fill) ||
-		    unlikely(zero)) {
-			usize = index2size(binind);
-			assert(usize <= tcache_maxclass);
-		}
-
-		if (config_prof && usize == LARGE_MINCLASS) {
-			arena_chunk_t *chunk =
-			    (arena_chunk_t *)CHUNK_ADDR2BASE(ret);
-			size_t pageind = (((uintptr_t)ret - (uintptr_t)chunk) >>
-			    LG_PAGE);
-			arena_mapbits_large_binind_set(chunk, pageind,
-			    BININD_INVALID);
-		}
-		if (likely(!zero)) {
-			if (slow_path && config_fill) {
-				if (unlikely(opt_junk_alloc)) {
-					memset(ret, JEMALLOC_ALLOC_JUNK,
-					    usize);
-				} else if (unlikely(opt_zero))
-					memset(ret, 0, usize);
-			}
-		} else
-			memset(ret, 0, usize);
-
-		if (config_stats)
-			tbin->tstats.nrequests++;
-		if (config_prof)
-			tcache->prof_accumbytes += usize;
-	}
-
-	tcache_event(tsd, tcache);
-	return (ret);
-}
-
-JEMALLOC_ALWAYS_INLINE void
-tcache_dalloc_small(tsd_t *tsd, tcache_t *tcache, void *ptr, szind_t binind,
-    bool slow_path)
-{
-	tcache_bin_t *tbin;
-	tcache_bin_info_t *tbin_info;
-
-	assert(tcache_salloc(tsd_tsdn(tsd), ptr) <= SMALL_MAXCLASS);
-
-	if (slow_path && config_fill && unlikely(opt_junk_free))
-		arena_dalloc_junk_small(ptr, &arena_bin_info[binind]);
-
-	tbin = &tcache->tbins[binind];
-	tbin_info = &tcache_bin_info[binind];
-	if (unlikely(tbin->ncached == tbin_info->ncached_max)) {
-		tcache_bin_flush_small(tsd, tcache, tbin, binind,
-		    (tbin_info->ncached_max >> 1));
-	}
-	assert(tbin->ncached < tbin_info->ncached_max);
-	tbin->ncached++;
-	*(tbin->avail - tbin->ncached) = ptr;
-
-	tcache_event(tsd, tcache);
-}
-
-JEMALLOC_ALWAYS_INLINE void
-tcache_dalloc_large(tsd_t *tsd, tcache_t *tcache, void *ptr, size_t size,
-    bool slow_path)
-{
-	szind_t binind;
-	tcache_bin_t *tbin;
-	tcache_bin_info_t *tbin_info;
-
-	assert((size & PAGE_MASK) == 0);
-	assert(tcache_salloc(tsd_tsdn(tsd), ptr) > SMALL_MAXCLASS);
-	assert(tcache_salloc(tsd_tsdn(tsd), ptr) <= tcache_maxclass);
-
-	binind = size2index(size);
-
-	if (slow_path && config_fill && unlikely(opt_junk_free))
-		arena_dalloc_junk_large(ptr, size);
-
-	tbin = &tcache->tbins[binind];
-	tbin_info = &tcache_bin_info[binind];
-	if (unlikely(tbin->ncached == tbin_info->ncached_max)) {
-		tcache_bin_flush_large(tsd, tbin, binind,
-		    (tbin_info->ncached_max >> 1), tcache);
-	}
-	assert(tbin->ncached < tbin_info->ncached_max);
-	tbin->ncached++;
-	*(tbin->avail - tbin->ncached) = ptr;
-
-	tcache_event(tsd, tcache);
-}
-
-JEMALLOC_ALWAYS_INLINE tcache_t *
-tcaches_get(tsd_t *tsd, unsigned ind)
-{
-	tcaches_t *elm = &tcaches[ind];
-	if (unlikely(elm->tcache == NULL)) {
-		elm->tcache = tcache_create(tsd_tsdn(tsd), arena_choose(tsd,
-		    NULL));
-	}
-	return (elm->tcache);
-}
-#endif
-
-#endif /* JEMALLOC_H_INLINES */
-/******************************************************************************/