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clean up os api

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daanx 2023-04-16 11:21:45 -07:00
parent 0fc4de1440
commit d48b988c40
6 changed files with 32 additions and 35 deletions
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6
include/mimalloc/internal.h
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@ -103,9 +103,9 @@ bool _mi_os_unprotect(void* addr, size_t size);
bool _mi_os_purge(void* p, size_t size, mi_stats_t* stats);
bool _mi_os_purge_ex(void* p, size_t size, bool allow_reset, mi_stats_t* stats);
void* _mi_os_alloc_aligned(size_t size, size_t alignment, bool commit, bool* large, bool* is_zero, mi_stats_t* stats);
void* _mi_os_alloc_aligned_offset(size_t size, size_t alignment, size_t align_offset, bool commit, bool* large, bool* is_zero, 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);
void* _mi_os_alloc_aligned(size_t size, size_t alignment, bool commit, bool allow_large, bool* is_large, bool* is_zero, mi_stats_t* stats);
void* _mi_os_alloc_aligned_at_offset(size_t size, size_t alignment, size_t align_offset, bool commit, bool allow_large, bool* is_large, bool* is_zero, mi_stats_t* tld_stats);
void _mi_os_free_aligned_at_offset(void* p, size_t size, size_t alignment, size_t align_offset, bool was_committed, mi_stats_t* tld_stats);
void* _mi_os_get_aligned_hint(size_t try_alignment, size_t size);
bool _mi_os_use_large_page(size_t size, size_t alignment);
size_t _mi_os_large_page_size(void);

4
include/mimalloc/prim.h
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@ -26,8 +26,8 @@ typedef struct mi_os_mem_config_s {
size_t large_page_size; // 2MiB
size_t alloc_granularity; // smallest allocation size (on Windows 64KiB)
bool has_overcommit; // can we reserve more memory than can be actually committed?
bool must_free_whole; // must allocated blocks free as a whole (false for mmap, true for VirtualAlloc)
bool has_virtual_reserve; // has virtual reserve? (if true we can reserve virtual address space without using commit or physical memory)
bool must_free_whole; // must allocated blocks be freed as a whole (false for mmap, true for VirtualAlloc)
bool has_virtual_reserve; // supports virtual address space reservation? (if true we can reserve virtual address space without using commit or physical memory)
} mi_os_mem_config_t;
// Initialize

5
include/mimalloc/types.h
View file

@ -312,6 +312,10 @@ typedef struct mi_page_s {
// ------------------------------------------------------
// Mimalloc segments contain mimalloc pages
// ------------------------------------------------------
typedef enum mi_page_kind_e {
MI_PAGE_SMALL, // small blocks go into 64KiB pages inside a segment
MI_PAGE_MEDIUM, // medium blocks go into 512KiB pages inside a segment
@ -346,7 +350,6 @@ typedef struct mi_memid_s {
mi_memid_arena_info_t arena;// only used for MI_MEM_ARENA
} mem;
bool is_pinned; // `true` if we cannot decommit/reset/protect in this memory (e.g. when allocated using large OS pages)
bool is_large; // `true` if the memory is in OS large (2MiB) or huge (1GiB) pages. (`is_pinned` will be true)
bool was_committed; // `true` if the memory was originally allocated as committed
bool was_zero; // `true` if the memory was originally zero initialized
mi_memkind_t memkind;