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use MI_MAX_ALIGN_SIZE to adjust block_offset_adj

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Daan Leijen 2024-03-24 09:01:58 -07:00
parent 4f809aadb7
commit ea6137a501
2 changed files with 7 additions and 5 deletions
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8
src/page.c
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@ -682,8 +682,10 @@ static void mi_page_init(mi_heap_t* heap, mi_page_t* page, size_t block_size, mi
if (block_size > 0) {
const ptrdiff_t start_offset = (uint8_t*)page_start - (uint8_t*)page;
const ptrdiff_t start_adjust = start_offset % block_size;
if (start_offset >= 0 && (start_adjust % 8) == 0 && (start_adjust/8) < 255) {
page->block_offset_adj = (uint8_t)((start_adjust/8) + 1);
if (start_offset >= 0 && (start_adjust % MI_MAX_ALIGN_SIZE) == 0 && (start_adjust / MI_MAX_ALIGN_SIZE) < 255) {
const ptrdiff_t adjust = (start_adjust / MI_MAX_ALIGN_SIZE);
mi_assert_internal(adjust + 1 == (uint8_t)(adjust + 1));
page->block_offset_adj = (uint8_t)(adjust + 1);
}
}
@ -700,7 +702,7 @@ static void mi_page_init(mi_heap_t* heap, mi_page_t* page, size_t block_size, mi
mi_assert_internal(page->keys[1] != 0);
#endif
mi_assert_internal(page->block_size_shift == 0 || (block_size == (1UL << page->block_size_shift)));
mi_assert_internal(page->block_offset_adj == 0 || (((uint8_t*)page_start - (uint8_t*)page - 8*(page->block_offset_adj-1))) % block_size == 0);
mi_assert_internal(page->block_offset_adj == 0 || (((uint8_t*)page_start - (uint8_t*)page - MI_MAX_ALIGN_SIZE*(page->block_offset_adj-1))) % block_size == 0);
mi_assert_expensive(mi_page_is_valid_init(page));
// initialize an initial free list