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update arena_id api

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daan 2022-11-01 16:26:17 -07:00
parent 0a691ca68e
commit e6bd41ba3f
2 changed files with 22 additions and 9 deletions
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9
include/mimalloc.h
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@ -275,12 +275,13 @@ mi_decl_export bool mi_manage_os_memory(void* start, size_t size, bool is_commit
// Experimental: heaps associated with specific memory arena's
typedef int mi_arena_id_t;
mi_decl_export int mi_reserve_huge_os_pages_at_ex(size_t pages, int numa_node, size_t timeout_msecs, bool exclusive, mi_arena_id_t* arena_id) mi_attr_noexcept;
mi_decl_export int mi_reserve_os_memory_ex(size_t size, bool commit, bool allow_large, bool exclusive, mi_arena_id_t* arena_id) mi_attr_noexcept;
mi_decl_export bool mi_manage_os_memory_ex(void* start, size_t size, bool is_committed, bool is_large, bool is_zero, int numa_node, bool exclusive, mi_arena_id_t* arena_id) mi_attr_noexcept;
mi_decl_export void* mi_arena_area(mi_arena_id_t arena_id, size_t* size);
mi_decl_export int mi_reserve_huge_os_pages_at_ex(size_t pages, int numa_node, size_t timeout_msecs, bool exclusive, mi_arena_id_t* arena_id) mi_attr_noexcept;
mi_decl_export int mi_reserve_os_memory_ex(size_t size, bool commit, bool allow_large, bool exclusive, mi_arena_id_t* arena_id) mi_attr_noexcept;
mi_decl_export bool mi_manage_os_memory_ex(void* start, size_t size, bool is_committed, bool is_large, bool is_zero, int numa_node, bool exclusive, mi_arena_id_t* arena_id) mi_attr_noexcept;
#if MI_MALLOC_VERSION >= 200
mi_decl_nodiscard mi_decl_export mi_heap_t* mi_heap_new_in_arena(mi_arena_id_t arena_id, bool exclusive);
mi_decl_nodiscard mi_decl_export mi_heap_t* mi_heap_new_in_arena(mi_arena_id_t arena_id);
#endif
// deprecated

22
src/arena.c
View file

@ -95,8 +95,9 @@ mi_arena_id_t _mi_arena_id_none(void) {
return 0;
}
static bool mi_arena_id_suitable(mi_arena_id_t arena_id, bool exclusive, mi_arena_id_t req_arena_id) {
return (!exclusive || arena_id == req_arena_id);
static bool mi_arena_id_is_suitable(mi_arena_id_t arena_id, bool exclusive, mi_arena_id_t req_arena_id) {
return ((!exclusive && req_arena_id == _mi_arena_id_none()) ||
(arena_id == req_arena_id));
}
@ -122,11 +123,11 @@ static bool mi_arena_memid_indices(size_t arena_memid, size_t* arena_index, mi_b
return ((arena_memid & 0x80) != 0);
}
bool _mi_arena_memid_suitable(size_t arena_memid, mi_arena_id_t request_arena_id) {
bool _mi_arena_memid_is_suitable(size_t arena_memid, mi_arena_id_t request_arena_id) {
mi_assert_internal(arena_memid != MI_MEMID_OS);
mi_arena_id_t id = (int)(arena_memid & 0x7F);
bool exclusive = ((arena_memid & 0x80) != 0);
return mi_arena_id_suitable(id, exclusive, request_arena_id);
return mi_arena_id_is_suitable(id, exclusive, request_arena_id);
}
static size_t mi_block_count_of_size(size_t size) {
@ -157,7 +158,7 @@ static void* mi_arena_alloc_from(mi_arena_t* arena, size_t arena_index, size_t n
{
MI_UNUSED(arena_index);
mi_assert_internal(mi_arena_id_index(arena->id) == arena_index);
if (!mi_arena_id_suitable(arena->id, arena->exclusive, req_arena_id)) return NULL;
if (!mi_arena_id_is_suitable(arena->id, arena->exclusive, req_arena_id)) return NULL;
mi_bitmap_index_t bitmap_index;
if (!mi_arena_alloc(arena, needed_bcount, &bitmap_index)) return NULL;
@ -265,6 +266,17 @@ void* _mi_arena_alloc(size_t size, bool* commit, bool* large, bool* is_pinned, b
return _mi_arena_alloc_aligned(size, MI_ARENA_BLOCK_SIZE, commit, large, is_pinned, is_zero, arena_id, memid, tld);
}
void* mi_arena_area(mi_arena_id_t arena_id, size_t* size) {
if (size != NULL) *size = 0;
size_t arena_index = mi_arena_id_index(arena_id);
if (arena_index >= MI_MAX_ARENAS) return NULL;
mi_arena_t* arena = mi_atomic_load_ptr_relaxed(mi_arena_t, &mi_arenas[arena_index]);
if (arena == NULL) return NULL;
if (size != NULL) *size = arena->block_count * MI_ARENA_BLOCK_SIZE;
return arena->start;
}
/* -----------------------------------------------------------
Arena free
----------------------------------------------------------- */