Merge pull request #61 from mxw/huge-dss-prec
Use arena dss prec instead of default for huge allocs.
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57fb8e94ae
@ -17,18 +17,20 @@ extern size_t huge_allocated;
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/* Protects chunk-related data structures. */
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extern malloc_mutex_t huge_mtx;
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void *huge_malloc(size_t size, bool zero);
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void *huge_palloc(size_t size, size_t alignment, bool zero);
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void *huge_malloc(size_t size, bool zero, dss_prec_t dss_prec);
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void *huge_palloc(size_t size, size_t alignment, bool zero,
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dss_prec_t dss_prec);
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bool huge_ralloc_no_move(void *ptr, size_t oldsize, size_t size,
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size_t extra);
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void *huge_ralloc(void *ptr, size_t oldsize, size_t size, size_t extra,
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size_t alignment, bool zero, bool try_tcache_dalloc);
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size_t alignment, bool zero, bool try_tcache_dalloc, dss_prec_t dss_prec);
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#ifdef JEMALLOC_JET
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typedef void (huge_dalloc_junk_t)(void *, size_t);
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extern huge_dalloc_junk_t *huge_dalloc_junk;
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#endif
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void huge_dalloc(void *ptr, bool unmap);
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size_t huge_salloc(const void *ptr);
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dss_prec_t huge_dss_prec_get(arena_t *arena);
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prof_ctx_t *huge_prof_ctx_get(const void *ptr);
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void huge_prof_ctx_set(const void *ptr, prof_ctx_t *ctx);
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bool huge_boot(void);
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@ -770,7 +770,7 @@ imalloct(size_t size, bool try_tcache, arena_t *arena)
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if (size <= arena_maxclass)
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return (arena_malloc(arena, size, false, try_tcache));
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else
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return (huge_malloc(size, false));
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return (huge_malloc(size, false, huge_dss_prec_get(arena)));
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}
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JEMALLOC_ALWAYS_INLINE void *
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@ -787,7 +787,7 @@ icalloct(size_t size, bool try_tcache, arena_t *arena)
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if (size <= arena_maxclass)
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return (arena_malloc(arena, size, true, try_tcache));
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else
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return (huge_malloc(size, true));
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return (huge_malloc(size, true, huge_dss_prec_get(arena)));
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}
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JEMALLOC_ALWAYS_INLINE void *
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@ -813,9 +813,9 @@ ipalloct(size_t usize, size_t alignment, bool zero, bool try_tcache,
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ret = arena_palloc(choose_arena(arena), usize,
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alignment, zero);
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} else if (alignment <= chunksize)
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ret = huge_malloc(usize, zero);
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ret = huge_malloc(usize, zero, huge_dss_prec_get(arena));
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else
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ret = huge_palloc(usize, alignment, zero);
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ret = huge_palloc(usize, alignment, zero, huge_dss_prec_get(arena));
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}
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assert(ALIGNMENT_ADDR2BASE(ret, alignment) == ret);
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@ -984,7 +984,7 @@ iralloct(void *ptr, size_t size, size_t extra, size_t alignment, bool zero,
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try_tcache_dalloc));
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} else {
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return (huge_ralloc(ptr, oldsize, size, extra,
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alignment, zero, try_tcache_dalloc));
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alignment, zero, try_tcache_dalloc, huge_dss_prec_get(arena)));
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}
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}
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26
src/huge.c
26
src/huge.c
@ -16,14 +16,14 @@ malloc_mutex_t huge_mtx;
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static extent_tree_t huge;
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void *
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huge_malloc(size_t size, bool zero)
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huge_malloc(size_t size, bool zero, dss_prec_t dss_prec)
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{
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return (huge_palloc(size, chunksize, zero));
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return (huge_palloc(size, chunksize, zero, dss_prec));
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}
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void *
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huge_palloc(size_t size, size_t alignment, bool zero)
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huge_palloc(size_t size, size_t alignment, bool zero, dss_prec_t dss_prec)
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{
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void *ret;
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size_t csize;
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@ -48,8 +48,7 @@ huge_palloc(size_t size, size_t alignment, bool zero)
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* it is possible to make correct junk/zero fill decisions below.
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*/
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is_zeroed = zero;
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ret = chunk_alloc(csize, alignment, false, &is_zeroed,
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chunk_dss_prec_get());
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ret = chunk_alloc(csize, alignment, false, &is_zeroed, dss_prec);
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if (ret == NULL) {
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base_node_dealloc(node);
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return (NULL);
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@ -98,7 +97,7 @@ huge_ralloc_no_move(void *ptr, size_t oldsize, size_t size, size_t extra)
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void *
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huge_ralloc(void *ptr, size_t oldsize, size_t size, size_t extra,
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size_t alignment, bool zero, bool try_tcache_dalloc)
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size_t alignment, bool zero, bool try_tcache_dalloc, dss_prec_t dss_prec)
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{
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void *ret;
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size_t copysize;
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@ -113,18 +112,18 @@ huge_ralloc(void *ptr, size_t oldsize, size_t size, size_t extra,
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* space and copying.
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*/
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if (alignment > chunksize)
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ret = huge_palloc(size + extra, alignment, zero);
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ret = huge_palloc(size + extra, alignment, zero, dss_prec);
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else
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ret = huge_malloc(size + extra, zero);
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ret = huge_malloc(size + extra, zero, dss_prec);
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if (ret == NULL) {
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if (extra == 0)
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return (NULL);
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/* Try again, this time without extra. */
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if (alignment > chunksize)
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ret = huge_palloc(size, alignment, zero);
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ret = huge_palloc(size, alignment, zero, dss_prec);
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else
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ret = huge_malloc(size, zero);
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ret = huge_malloc(size, zero, dss_prec);
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if (ret == NULL)
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return (NULL);
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@ -264,6 +263,13 @@ huge_salloc(const void *ptr)
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return (ret);
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}
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dss_prec_t
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huge_dss_prec_get(arena_t *arena)
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{
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return (arena_dss_prec_get(choose_arena(arena)));
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}
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prof_ctx_t *
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huge_prof_ctx_get(const void *ptr)
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{
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@ -2076,7 +2076,7 @@ a0alloc(size_t size, bool zero)
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if (size <= arena_maxclass)
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return (arena_malloc(arenas[0], size, zero, false));
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else
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return (huge_malloc(size, zero));
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return (huge_malloc(size, zero, huge_dss_prec_get(arenas[0])));
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}
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void *
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