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use exponetially sized arenas

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daanx 2023-04-04 17:54:33 -07:00
parent 8d56c155f9
commit cb0369452d
7 changed files with 56 additions and 29 deletions
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1
include/mimalloc/internal.h
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@ -92,6 +92,7 @@ void _mi_os_free(void* p, size_t size, mi_stats_t* stats); // to f
size_t _mi_os_page_size(void);
size_t _mi_os_good_alloc_size(size_t size);
bool _mi_os_has_overcommit(void);
bool _mi_os_has_virtual_reserve(void);
bool _mi_os_reset(void* addr, size_t size, mi_stats_t* tld_stats);
bool _mi_os_commit(void* p, size_t size, bool* is_zero, mi_stats_t* stats);

11
include/mimalloc/prim.h
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@ -22,11 +22,12 @@ terms of the MIT license. A copy of the license can be found in the file
// OS memory configuration
typedef struct mi_os_mem_config_s {
size_t page_size; // 4KiB
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)
size_t page_size; // 4KiB
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)
} mi_os_mem_config_t;
// Initialize