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better track_free_size

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This commit is contained in:
Daan 2023-03-04 15:17:13 -08:00
parent 6dcebdc303
commit 3c906bde8b
3 changed files with 12 additions and 9 deletions
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4
src/alloc-aligned.c
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@ -65,6 +65,7 @@ static mi_decl_noinline void* mi_heap_malloc_zero_aligned_at_fallback(mi_heap_t*
mi_page_set_has_aligned(page, true);
_mi_padding_shrink(page, (mi_block_t*)p, adjust + size);
}
// todo: expand padding if overallocated and p==aligned_p ?
mi_assert_internal(mi_page_usable_block_size(_mi_ptr_page(p)) >= adjust + size);
mi_assert_internal(p == _mi_page_ptr_unalign(_mi_ptr_segment(aligned_p), _mi_ptr_page(aligned_p), aligned_p));
@ -85,9 +86,6 @@ static mi_decl_noinline void* mi_heap_malloc_zero_aligned_at_fallback(mi_heap_t*
mi_track_free(p);
mi_track_malloc(aligned_p, size, zero);
}
else {
mi_track_resize(aligned_p, oversize, size);
}
#endif
return aligned_p;
}

4
src/alloc.c
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@ -498,7 +498,7 @@ mi_block_t* _mi_page_ptr_unalign(const mi_segment_t* segment, const mi_page_t* p
void mi_decl_noinline _mi_free_generic(const mi_segment_t* segment, mi_page_t* page, bool is_local, void* p) mi_attr_noexcept {
mi_block_t* const block = (mi_page_has_aligned(page) ? _mi_page_ptr_unalign(segment, page, p) : (mi_block_t*)p);
mi_stat_free(page, block); // stat_free may access the padding
mi_stat_free(page, block); // stat_free may access the padding
mi_track_free(p);
_mi_free_block(page, is_local, block);
}
@ -559,7 +559,7 @@ void mi_free(void* p) mi_attr_noexcept
#if (MI_DEBUG!=0) && !MI_TRACK_ENABLED
memset(block, MI_DEBUG_FREED, mi_page_block_size(page));
#endif
mi_track_free(p);
mi_track_free_size(p, mi_page_usable_size_of(page,block)); // faster then mi_usable_size as we already now the page and that p is unaligned
mi_block_set_next(page, block, page->local_free);
page->local_free = block;
if mi_unlikely(--page->used == 0) { // using this expression generates better code than: page->used--; if (mi_page_all_free(page))