LLVM: span_t Struct Reference

LLVM 19.0.0git

Public Attributes
void *	free_list
	Free list.

uint32_t	block_count
	Total block count of size class.

uint32_t	size_class
	Size class.

uint32_t	free_list_limit
	Index of last block initialized in free list.

uint32_t	used_count
	Number of used blocks remaining when in partial state.

atomicptr_t	free_list_deferred
	Deferred free list.

uint32_t	list_size
	Size of deferred free list, or list of spans when part of a cache list.

uint32_t	block_size
	Size of a block.

uint32_t	flags
	Flags and counters.

uint32_t	span_count
	Number of spans.

uint32_t	total_spans
	Total span counter for master spans.

uint32_t	offset_from_master
	Offset from master span for subspans.

atomic32_t	remaining_spans
	Remaining span counter, for master spans.

uint32_t	align_offset
	Alignment offset.

heap_t *	heap
	Owning heap.

span_t *	next
	Next span.

span_t *	prev
	Previous span.

Detailed Description

Definition at line 603 of file rpmalloc.c.

Member Data Documentation

◆ align_offset

uint32_t span_t::align_offset

Alignment offset.

Definition at line 631 of file rpmalloc.c.

Referenced by _rpmalloc_aligned_allocate(), _rpmalloc_allocate_huge(), _rpmalloc_deallocate_huge(), _rpmalloc_span_initialize(), _rpmalloc_span_mark_as_subspan_unless_master(), and _rpmalloc_span_unmap().

◆ block_count

uint32_t span_t::block_count

Total block count of size class.

Definition at line 607 of file rpmalloc.c.

Referenced by _rpmalloc_allocate_from_heap_fallback(), _rpmalloc_deallocate_defer_small_or_medium(), _rpmalloc_deallocate_direct_small_or_medium(), _rpmalloc_span_initialize_new(), and _rpmalloc_span_is_fully_utilized().

◆ block_size

uint32_t span_t::block_size

Size of a block.

Definition at line 619 of file rpmalloc.c.

Referenced by _rpmalloc_allocate_from_heap_fallback(), _rpmalloc_deallocate_small_or_medium(), _rpmalloc_reallocate(), _rpmalloc_span_initialize_new(), and _rpmalloc_usable_size().

◆ flags

uint32_t span_t::flags

Flags and counters.

Definition at line 621 of file rpmalloc.c.

Referenced by _rpmalloc_aligned_allocate(), _rpmalloc_deallocate_large(), _rpmalloc_deallocate_small_or_medium(), _rpmalloc_span_initialize(), _rpmalloc_span_initialize_new(), _rpmalloc_span_mark_as_subspan_unless_master(), and _rpmalloc_span_unmap().

◆ free_list

void* span_t::free_list

Free list.

Definition at line 605 of file rpmalloc.c.

Referenced by _rpmalloc_allocate_from_heap_fallback(), _rpmalloc_deallocate_defer_free_span(), _rpmalloc_deallocate_direct_small_or_medium(), _rpmalloc_heap_cache_adopt_deferred(), _rpmalloc_span_extract_free_list_deferred(), _rpmalloc_span_finalize(), _rpmalloc_span_initialize_new(), _rpmalloc_span_is_fully_utilized(), and rpmalloc_thread_statistics().

◆ free_list_deferred

atomicptr_t span_t::free_list_deferred

Deferred free list.

Definition at line 615 of file rpmalloc.c.

Referenced by _rpmalloc_allocate_from_heap_fallback(), _rpmalloc_deallocate_defer_small_or_medium(), _rpmalloc_deallocate_direct_small_or_medium(), _rpmalloc_span_extract_free_list_deferred(), and _rpmalloc_span_initialize_new().

◆ free_list_limit

uint32_t span_t::free_list_limit

Index of last block initialized in free list.

Definition at line 611 of file rpmalloc.c.

Referenced by _rpmalloc_allocate_from_heap_fallback(), _rpmalloc_span_initialize_new(), _rpmalloc_span_is_fully_utilized(), and rpmalloc_thread_statistics().

◆ heap

heap_t* span_t::heap

Owning heap.

Definition at line 633 of file rpmalloc.c.

Referenced by _rpmalloc_aligned_allocate(), _rpmalloc_allocate_huge(), _rpmalloc_allocate_large(), _rpmalloc_deallocate_defer_small_or_medium(), _rpmalloc_deallocate_direct_small_or_medium(), _rpmalloc_deallocate_huge(), _rpmalloc_deallocate_large(), _rpmalloc_deallocate_small_or_medium(), _rpmalloc_heap_cache_adopt_deferred(), _rpmalloc_span_initialize_new(), and _rpmalloc_span_release_to_cache().

◆ list_size

uint32_t span_t::list_size

Size of deferred free list, or list of spans when part of a cache list.

Definition at line 617 of file rpmalloc.c.

Referenced by _rpmalloc_deallocate_defer_small_or_medium(), _rpmalloc_deallocate_direct_small_or_medium(), _rpmalloc_span_extract_free_list_deferred(), _rpmalloc_span_finalize(), _rpmalloc_span_initialize_new(), and rpmalloc_thread_statistics().

◆ next

span_t* span_t::next

Next span.

Definition at line 635 of file rpmalloc.c.

Referenced by _rpmalloc_heap_finalize(), _rpmalloc_span_double_link_list_add(), _rpmalloc_span_double_link_list_pop_head(), _rpmalloc_span_double_link_list_remove(), rpmalloc_dump_statistics(), rpmalloc_global_statistics(), and rpmalloc_thread_statistics().

◆ offset_from_master

uint32_t span_t::offset_from_master

Offset from master span for subspans.

Definition at line 627 of file rpmalloc.c.

Referenced by _rpmalloc_deallocate_large(), _rpmalloc_span_mark_as_subspan_unless_master(), and _rpmalloc_span_unmap().

◆ prev

span_t* span_t::prev

Previous span.

Definition at line 637 of file rpmalloc.c.

Referenced by _rpmalloc_span_double_link_list_remove().

◆ remaining_spans

atomic32_t span_t::remaining_spans

Remaining span counter, for master spans.

Definition at line 629 of file rpmalloc.c.

Referenced by _rpmalloc_deallocate_large(), _rpmalloc_span_initialize(), _rpmalloc_span_unmap(), and rpmalloc_finalize().

◆ size_class

uint32_t span_t::size_class

Size class.

Definition at line 609 of file rpmalloc.c.

Referenced by _rpmalloc_aligned_allocate(), _rpmalloc_allocate_from_heap_fallback(), _rpmalloc_allocate_huge(), _rpmalloc_allocate_large(), _rpmalloc_deallocate(), _rpmalloc_deallocate_defer_free_span(), _rpmalloc_deallocate_direct_small_or_medium(), _rpmalloc_deallocate_large(), _rpmalloc_deallocate_small_or_medium(), _rpmalloc_heap_cache_adopt_deferred(), _rpmalloc_reallocate(), _rpmalloc_span_initialize_new(), _rpmalloc_span_release_to_cache(), _rpmalloc_usable_size(), and rpmalloc_thread_statistics().

◆ span_count

◆ total_spans

uint32_t span_t::total_spans

Total span counter for master spans.

Definition at line 625 of file rpmalloc.c.

Referenced by _rpmalloc_span_initialize(), and _rpmalloc_span_unmap().

◆ used_count

uint32_t span_t::used_count

Number of used blocks remaining when in partial state.

Definition at line 613 of file rpmalloc.c.

Referenced by _rpmalloc_allocate_from_heap_fallback(), _rpmalloc_deallocate_direct_small_or_medium(), _rpmalloc_span_extract_free_list_deferred(), _rpmalloc_span_finalize(), _rpmalloc_span_initialize_new(), and rpmalloc_thread_statistics().

The documentation for this struct was generated from the following file:

lib/Support/rpmalloc/rpmalloc.c