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small changes; make minimal commit most fine grained

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This commit is contained in:
daanx 2023-04-03 16:17:02 -07:00
parent f5ab38f87b
commit a9f42376b7
3 changed files with 7 additions and 4 deletions
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2
include/mimalloc/types.h
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@ -350,7 +350,7 @@ typedef enum mi_segment_kind_e {
// is still tracked in fine-grained MI_COMMIT_SIZE chunks)
// ------------------------------------------------------
#define MI_MINIMAL_COMMIT_SIZE (1*MI_SEGMENT_SLICE_SIZE) // 1MiB
#define MI_MINIMAL_COMMIT_SIZE (1*MI_SEGMENT_SLICE_SIZE) // most fine-grained
#define MI_COMMIT_SIZE (MI_SEGMENT_SLICE_SIZE) // 64KiB
#define MI_COMMIT_MASK_BITS (MI_SEGMENT_SIZE / MI_COMMIT_SIZE)
#define MI_COMMIT_MASK_FIELD_BITS MI_SIZE_BITS

4
src/alloc-aligned.c
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@ -146,10 +146,10 @@ mi_decl_nodiscard mi_decl_restrict void* mi_heap_malloc_aligned_at(mi_heap_t* he
return mi_heap_malloc_zero_aligned_at(heap, size, alignment, offset, false);
}
mi_decl_nodiscard mi_decl_restrict void* mi_heap_malloc_aligned(mi_heap_t* heap, size_t size, size_t alignment) mi_attr_noexcept {
mi_decl_nodiscard mi_decl_restrict inline void* mi_heap_malloc_aligned(mi_heap_t* heap, size_t size, size_t alignment) mi_attr_noexcept {
#if !MI_PADDING
// without padding, any small sized allocation is naturally aligned (see also `_mi_segment_page_start`)
if (!_mi_is_power_of_two(alignment)) return NULL;
if mi_unlikely(!_mi_is_power_of_two(alignment)) return NULL;
if mi_likely(_mi_is_power_of_two(size) && size >= alignment && size <= MI_SMALL_SIZE_MAX)
#else
// with padding, we can only guarantee this for fixed alignments

5
src/init.c
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@ -37,6 +37,7 @@ const mi_page_t _mi_page_empty = {
#define MI_PAGE_EMPTY() ((mi_page_t*)&_mi_page_empty)
#if (MI_SMALL_WSIZE_MAX==128)
#if (MI_PADDING>0) && (MI_INTPTR_SIZE >= 8)
#define MI_SMALL_PAGES_EMPTY { MI_INIT128(MI_PAGE_EMPTY), MI_PAGE_EMPTY(), MI_PAGE_EMPTY() }
#elif (MI_PADDING>0)
@ -44,7 +45,9 @@ const mi_page_t _mi_page_empty = {
#else
#define MI_SMALL_PAGES_EMPTY { MI_INIT128(MI_PAGE_EMPTY), MI_PAGE_EMPTY() }
#endif
#else
#error "define right initialization sizes corresponding to MI_SMALL_WSIZE_MAX"
#endif
// Empty page queues for every bin
#define QNULL(sz) { NULL, NULL, (sz)*sizeof(uintptr_t) }