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initial progress on removing alignment limit

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This commit is contained in:
daan 2022-11-05 14:46:52 -07:00
parent fe61be80bf
commit 6a80fa3ac1
11 changed files with 114 additions and 51 deletions
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12
include/mimalloc-internal.h
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@ -81,9 +81,13 @@ void _mi_os_free(void* p, size_t size, mi_stats_t* stats); // to free th
size_t _mi_os_good_alloc_size(size_t size);
bool _mi_os_has_overcommit(void);
void* _mi_os_alloc_aligned_offset(size_t size, size_t alignment, size_t align_offset, bool commit, bool* large, mi_stats_t* tld_stats);
void _mi_os_free_aligned(void* p, size_t size, size_t alignment, size_t align_offset, bool was_committed, mi_stats_t* tld_stats);
// memory.c
void* _mi_mem_alloc_aligned(size_t size, size_t alignment, bool* commit, bool* large, bool* is_pinned, bool* is_zero, size_t* id, mi_os_tld_t* tld);
void _mi_mem_free(void* p, size_t size, size_t id, bool fully_committed, bool any_reset, mi_os_tld_t* tld);
void* _mi_mem_alloc_aligned(size_t size, size_t alignment, size_t offset, bool* commit, bool* large, bool* is_pinned, bool* is_zero, size_t* id, mi_os_tld_t* tld);
void _mi_mem_free(void* p, size_t size, size_t alignment, size_t align_offset, size_t id, bool fully_committed, bool any_reset, mi_os_tld_t* tld);
bool _mi_mem_reset(void* p, size_t size, mi_os_tld_t* tld);
bool _mi_mem_unreset(void* p, size_t size, bool* is_zero, mi_os_tld_t* tld);
@ -94,7 +98,7 @@ bool _mi_mem_unprotect(void* addr, size_t size);
void _mi_mem_collect(mi_os_tld_t* tld);
// "segment.c"
mi_page_t* _mi_segment_page_alloc(mi_heap_t* heap, size_t block_wsize, mi_segments_tld_t* tld, mi_os_tld_t* os_tld);
mi_page_t* _mi_segment_page_alloc(mi_heap_t* heap, size_t block_size, size_t page_alignment, mi_segments_tld_t* tld, mi_os_tld_t* os_tld);
void _mi_segment_page_free(mi_page_t* page, bool force, mi_segments_tld_t* tld);
void _mi_segment_page_abandon(mi_page_t* page, mi_segments_tld_t* tld);
uint8_t* _mi_segment_page_start(const mi_segment_t* segment, const mi_page_t* page, size_t block_size, size_t* page_size, size_t* pre_size); // page start for any page
@ -107,7 +111,7 @@ void _mi_abandoned_await_readers(void);
// "page.c"
void* _mi_malloc_generic(mi_heap_t* heap, size_t size, bool zero) mi_attr_noexcept mi_attr_malloc;
void* _mi_malloc_generic(mi_heap_t* heap, size_t size, bool zero, size_t huge_alignment) mi_attr_noexcept mi_attr_malloc;
void _mi_page_retire(mi_page_t* page) mi_attr_noexcept; // free the page if there are no other pages with many free blocks
void _mi_page_unfull(mi_page_t* page);

2
include/mimalloc-types.h
View file

@ -301,6 +301,8 @@ typedef struct mi_segment_s {
size_t memid; // id for the os-level memory manager
bool mem_is_pinned; // `true` if we cannot decommit/reset/protect in this memory (i.e. when allocated using large OS pages)
bool mem_is_committed; // `true` if the whole segment is eagerly committed
size_t mem_alignment; // page alignment for huge pages (only used for alignment > MI_ALIGNMENT_MAX)
size_t mem_align_offset; // offset for huge page alignment (only used for alignment > MI_ALIGNMENT_MAX)
// segment fields
_Atomic(struct mi_segment_s*) abandoned_next;