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wip: add expandable primitives

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daanx 2023-04-30 19:20:04 -07:00
parent 16e9f30d56
commit 900e4f5d3c
4 changed files with 49 additions and 8 deletions
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7
include/mimalloc/internal.h
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@ -119,6 +119,9 @@ void* _mi_os_alloc_huge_os_pages(size_t pages, int numa_node, mi_msecs_t ma
void* _mi_os_alloc_remappable(size_t size, size_t alignment, mi_memid_t* memid, mi_stats_t* stats);
void* _mi_os_remap(void* p, size_t size, size_t newsize, mi_memid_t* memid, mi_stats_t* stats);
void* _mi_os_alloc_expandable(size_t size, size_t alignment, size_t future_reserve, mi_memid_t* memid, mi_stats_t* stats);
bool _mi_os_expand(void* p, size_t size, size_t newsize, mi_memid_t* memid, mi_stats_t* stats);
// arena.c
mi_arena_id_t _mi_arena_id_none(void);
@ -687,14 +690,14 @@ static inline mi_memid_t _mi_memid_none(void) {
return _mi_memid_create(MI_MEM_NONE);
}
static inline mi_memid_t _mi_memid_create_os(void* base, size_t size, size_t alignment, bool committed, bool is_zero, bool is_large) {
static inline mi_memid_t _mi_memid_create_os(void* base, size_t size, size_t alignment, bool committed, bool is_large_or_pinned, bool is_zero ) {
mi_memid_t memid = _mi_memid_create(MI_MEM_OS);
memid.mem.os.base = base;
memid.mem.os.size = size;
memid.mem.os.alignment = alignment;
memid.initially_committed = committed;
memid.initially_zero = is_zero;
memid.is_pinned = is_large;
memid.is_pinned = is_large_or_pinned;
return memid;
}

1
include/mimalloc/types.h
View file

@ -331,6 +331,7 @@ typedef enum mi_memkind_e {
MI_MEM_STATIC, // allocated in a static area and should not be freed (for arena meta data for example)
MI_MEM_OS, // allocated from the OS
MI_MEM_OS_HUGE, // allocated as huge os pages
MI_MEM_OS_EXPAND, // allocated in an expandable area
MI_MEM_OS_REMAP, // allocated in a remapable area (i.e. using `mremap`)
MI_MEM_ARENA // allocated from an arena (the usual case)
} mi_memkind_t;