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add address hint to primitive allocation API

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daanx 2024-11-16 16:57:37 -08:00
parent b27d154ffd
commit 0e76fe3798
8 changed files with 29 additions and 23 deletions
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3
include/mimalloc/prim.h
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@ -43,9 +43,10 @@ int _mi_prim_free(void* addr, size_t size );
// If `commit` is false, the virtual memory range only needs to be reserved (with no access)
// which will later be committed explicitly using `_mi_prim_commit`.
// `is_zero` is set to true if the memory was zero initialized (as on most OS's)
// The `hint_addr` address is either `NULL` or a preferred allocation address but can be ignored.
// pre: !commit => !allow_large
// try_alignment >= _mi_os_page_size() and a power of 2
int _mi_prim_alloc(size_t size, size_t try_alignment, bool commit, bool allow_large, bool* is_large, bool* is_zero, void** addr);
int _mi_prim_alloc(void* hint_addr, size_t size, size_t try_alignment, bool commit, bool allow_large, bool* is_large, bool* is_zero, void** addr);
// Commit memory. Returns error code or 0 on success.
// For example, on Linux this would make the memory PROT_READ|PROT_WRITE.