Add configure options.

Add:
  --with-lg-page
  --with-lg-page-sizes
  --with-lg-size-class-group
  --with-lg-quantum

Get rid of STATIC_PAGE_SHIFT, in favor of directly setting LG_PAGE.

Fix various edge conditions exposed by the configure options.
This commit is contained in:
Jason Evans
2014-10-09 17:54:06 -07:00
parent b123ddc760
commit fc0b3b7383
16 changed files with 278 additions and 137 deletions

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@@ -362,8 +362,8 @@ void *arena_malloc_small(arena_t *arena, size_t size, bool zero);
void *arena_malloc_large(arena_t *arena, size_t size, bool zero);
void *arena_palloc(arena_t *arena, size_t size, size_t alignment, bool zero);
void arena_prof_promoted(const void *ptr, size_t size);
void arena_dalloc_bin_locked(arena_t *arena, arena_chunk_t *chunk, void *ptr,
arena_chunk_map_bits_t *bitselm);
void arena_dalloc_bin_junked_locked(arena_t *arena, arena_chunk_t *chunk,
void *ptr, arena_chunk_map_bits_t *bitselm);
void arena_dalloc_bin(arena_t *arena, arena_chunk_t *chunk, void *ptr,
size_t pageind, arena_chunk_map_bits_t *bitselm);
void arena_dalloc_small(arena_t *arena, arena_chunk_t *chunk, void *ptr,
@@ -371,8 +371,10 @@ void arena_dalloc_small(arena_t *arena, arena_chunk_t *chunk, void *ptr,
#ifdef JEMALLOC_JET
typedef void (arena_dalloc_junk_large_t)(void *, size_t);
extern arena_dalloc_junk_large_t *arena_dalloc_junk_large;
#else
void arena_dalloc_junk_large(void *ptr, size_t usize);
#endif
void arena_dalloc_large_locked(arena_t *arena, arena_chunk_t *chunk,
void arena_dalloc_large_junked_locked(arena_t *arena, arena_chunk_t *chunk,
void *ptr);
void arena_dalloc_large(arena_t *arena, arena_chunk_t *chunk, void *ptr);
#ifdef JEMALLOC_JET

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@@ -9,19 +9,20 @@
/******************************************************************************/
#ifdef JEMALLOC_H_EXTERNS
void *huge_malloc(tsd_t *tsd, arena_t *arena, size_t size, bool zero);
void *huge_malloc(tsd_t *tsd, arena_t *arena, size_t size, bool zero,
bool try_tcache);
void *huge_palloc(tsd_t *tsd, arena_t *arena, size_t usize, size_t alignment,
bool zero);
bool zero, bool try_tcache);
bool huge_ralloc_no_move(void *ptr, size_t oldsize, size_t size,
size_t extra, bool zero);
void *huge_ralloc(tsd_t *tsd, arena_t *arena, void *ptr, size_t oldsize,
size_t size, size_t extra, size_t alignment, bool zero,
bool try_tcache_dalloc);
bool try_tcache_alloc, bool try_tcache_dalloc);
#ifdef JEMALLOC_JET
typedef void (huge_dalloc_junk_t)(void *, size_t);
extern huge_dalloc_junk_t *huge_dalloc_junk;
#endif
void huge_dalloc(tsd_t *tsd, void *ptr);
void huge_dalloc(tsd_t *tsd, void *ptr, bool try_tcache);
size_t huge_salloc(const void *ptr);
prof_tctx_t *huge_prof_tctx_get(const void *ptr);
void huge_prof_tctx_set(const void *ptr, prof_tctx_t *tctx);

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@@ -185,7 +185,7 @@ typedef unsigned index_t;
#define TINY_MIN (1U << LG_TINY_MIN)
/*
* Minimum alignment of allocations is 2^LG_QUANTUM bytes (ignoring tiny size
* Minimum allocation alignment is 2^LG_QUANTUM bytes (ignoring tiny size
* classes).
*/
#ifndef LG_QUANTUM
@@ -235,7 +235,8 @@ typedef unsigned index_t;
# define LG_QUANTUM 4
# endif
# ifndef LG_QUANTUM
# error "No LG_QUANTUM definition for architecture; specify via CPPFLAGS"
# error "Unknown minimum alignment for architecture; specify via "
"--with-lg-quantum"
# endif
#endif
@@ -275,12 +276,11 @@ typedef unsigned index_t;
#define CACHELINE_CEILING(s) \
(((s) + CACHELINE_MASK) & ~CACHELINE_MASK)
/* Page size. STATIC_PAGE_SHIFT is determined by the configure script. */
/* Page size. LG_PAGE is determined by the configure script. */
#ifdef PAGE_MASK
# undef PAGE_MASK
#endif
#define LG_PAGE STATIC_PAGE_SHIFT
#define PAGE ((size_t)(1U << STATIC_PAGE_SHIFT))
#define PAGE ((size_t)(1U << LG_PAGE))
#define PAGE_MASK ((size_t)(PAGE - 1))
/* Return the smallest pagesize multiple that is >= s. */
@@ -809,7 +809,7 @@ imalloct(tsd_t *tsd, size_t size, bool try_tcache, arena_t *arena)
if (size <= arena_maxclass)
return (arena_malloc(tsd, arena, size, false, try_tcache));
else
return (huge_malloc(tsd, arena, size, false));
return (huge_malloc(tsd, arena, size, false, try_tcache));
}
JEMALLOC_ALWAYS_INLINE void *
@@ -826,7 +826,7 @@ icalloct(tsd_t *tsd, size_t size, bool try_tcache, arena_t *arena)
if (size <= arena_maxclass)
return (arena_malloc(tsd, arena, size, true, try_tcache));
else
return (huge_malloc(tsd, arena, size, true));
return (huge_malloc(tsd, arena, size, true, try_tcache));
}
JEMALLOC_ALWAYS_INLINE void *
@@ -854,9 +854,11 @@ ipalloct(tsd_t *tsd, size_t usize, size_t alignment, bool zero, bool try_tcache,
return (NULL);
ret = arena_palloc(arena, usize, alignment, zero);
} else if (alignment <= chunksize)
ret = huge_malloc(tsd, arena, usize, zero);
else
ret = huge_palloc(tsd, arena, usize, alignment, zero);
ret = huge_malloc(tsd, arena, usize, zero, try_tcache);
else {
ret = huge_palloc(tsd, arena, usize, alignment, zero,
try_tcache);
}
}
assert(ALIGNMENT_ADDR2BASE(ret, alignment) == ret);
@@ -938,7 +940,7 @@ idalloct(tsd_t *tsd, void *ptr, bool try_tcache)
if (chunk != ptr)
arena_dalloc(tsd, chunk, ptr, try_tcache);
else
huge_dalloc(tsd, ptr);
huge_dalloc(tsd, ptr, try_tcache);
}
JEMALLOC_ALWAYS_INLINE void
@@ -952,7 +954,7 @@ isdalloct(tsd_t *tsd, void *ptr, size_t size, bool try_tcache)
if (chunk != ptr)
arena_sdalloc(tsd, chunk, ptr, size, try_tcache);
else
huge_dalloc(tsd, ptr);
huge_dalloc(tsd, ptr, try_tcache);
}
JEMALLOC_ALWAYS_INLINE void
@@ -1042,7 +1044,7 @@ iralloct(tsd_t *tsd, void *ptr, size_t size, size_t alignment, bool zero,
alignment, zero, try_tcache_alloc, try_tcache_dalloc));
} else {
return (huge_ralloc(tsd, arena, ptr, oldsize, size, 0,
alignment, zero, try_tcache_dalloc));
alignment, zero, try_tcache_alloc, try_tcache_dalloc));
}
}

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@@ -144,8 +144,14 @@
/* Support lazy locking (avoid locking unless a second thread is launched). */
#undef JEMALLOC_LAZY_LOCK
/* One page is 2^STATIC_PAGE_SHIFT bytes. */
#undef STATIC_PAGE_SHIFT
/*
* Minimum allocation alignment is 2^LG_QUANTUM bytes (ignoring tiny size
* classes).
*/
#undef LG_QUANTUM
/* One page is 2^LG_PAGE bytes. */
#undef LG_PAGE
/*
* If defined, use munmap() to unmap freed chunks, rather than storing them for

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@@ -16,11 +16,11 @@ arena_chunk_dalloc_huge
arena_cleanup
arena_dalloc
arena_dalloc_bin
arena_dalloc_bin_locked
arena_dalloc_bin_junked_locked
arena_dalloc_junk_large
arena_dalloc_junk_small
arena_dalloc_large
arena_dalloc_large_locked
arena_dalloc_large_junked_locked
arena_dalloc_small
arena_dss_prec_get
arena_dss_prec_set

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@@ -1,4 +1,6 @@
#!/bin/sh
#
# Usage: size_classes.sh <lg_parr> <lg_g>
# The following limits are chosen such that they cover all supported platforms.
@@ -15,10 +17,10 @@ lg_tmin=3
lg_kmax=12
# Page sizes.
lg_parr="12 13 16"
lg_parr=`echo $1 | tr ',' ' '`
# Size class group size (number of size classes for each size doubling).
lg_g=2
lg_g=$2
pow2() {
e=$1
@@ -159,7 +161,11 @@ size_classes() {
nbins=$((${index} + 1))
# Final written value is correct:
small_maxclass="((((size_t)1) << ${lg_grp}) + (((size_t)${ndelta}) << ${lg_delta}))"
lg_large_minclass=$((${lg_grp} + 1))
if [ ${lg_g} -gt 0 ] ; then
lg_large_minclass=$((${lg_grp} + 1))
else
lg_large_minclass=$((${lg_grp} + 2))
fi
fi
index=$((${index} + 1))
ndelta=$((${ndelta} + 1))

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@@ -112,7 +112,7 @@ void tcache_arena_associate(tcache_t *tcache, arena_t *arena);
void tcache_arena_reassociate(tcache_t *tcache, arena_t *arena);
void tcache_arena_dissociate(tcache_t *tcache);
tcache_t *tcache_get_hard(tsd_t *tsd);
tcache_t *tcache_create(arena_t *arena);
tcache_t *tcache_create(tsd_t *tsd, arena_t *arena);
void tcache_cleanup(tsd_t *tsd);
void tcache_enabled_cleanup(tsd_t *tsd);
void tcache_stats_merge(tcache_t *tcache, arena_t *arena);
@@ -363,7 +363,7 @@ tcache_dalloc_large(tcache_t *tcache, void *ptr, size_t size)
binind = size2index(size);
if (config_fill && unlikely(opt_junk))
memset(ptr, 0x5a, size);
arena_dalloc_junk_large(ptr, size);
tbin = &tcache->tbins[binind];
tbin_info = &tcache_bin_info[binind];