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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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4
include/mimalloc/types.h
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@ -297,8 +297,8 @@ typedef struct mi_page_s {
mi_block_t* free; // list of available free blocks (`malloc` allocates from this list)
mi_block_t* local_free; // list of deferred free blocks by this thread (migrates to `free`)
uint16_t used; // number of blocks in use (including blocks in `thread_free`)
uint8_t block_size_shift; // if not zero, then `(1 << block_size_shift == block_size)` (used for fast path in `free.c:_mi_page_ptr_unalign`)
uint8_t block_offset_adj; // if not zero, then `(page_start - (uint8_t*)page - 8*(block_offset_adj-1)) % block_size == 0)` (used for fast path in `free.c:_mi_page_ptr_unalign`)
uint8_t block_size_shift; // if not zero, then `(1 << block_size_shift) == block_size` (only used for fast path in `free.c:_mi_page_ptr_unalign`)
uint8_t block_offset_adj; // if not zero, then `(mi_page_start(_,page,_) - (uint8_t*)page - MI_MAX_ALIGN_SIZE*(block_offset_adj-1)) % block_size == 0)` (only used for fast path in `free.c:_mi_page_ptr_unalign`)
uint32_t xblock_size; // size available in each block (always `>0`)
#if (MI_ENCODE_FREELIST || MI_PADDING)