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use physical memory in kib to avoid overflow of size_t (issue #1010)

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daanx 2025-02-11 09:12:29 -08:00
parent 78dd3f0e38
commit ec4aa62b65
4 changed files with 18 additions and 18 deletions
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12
src/os.c
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@ -18,17 +18,17 @@ terms of the MIT license. A copy of the license can be found in the file
----------------------------------------------------------- */
#ifndef MI_DEFAULT_VIRTUAL_ADDRESS_BITS
#if MI_INTPTR_SIZE < 8
#define MI_DEFAULT_VIRTUAL_ADDRESS_BITS 32
#define MI_DEFAULT_VIRTUAL_ADDRESS_BITS 32
#else
#define MI_DEFAULT_VIRTUAL_ADDRESS_BITS 48
#define MI_DEFAULT_VIRTUAL_ADDRESS_BITS 48
#endif
#endif
#ifndef MI_DEFAULT_PHYSICAL_MEMORY
#ifndef MI_DEFAULT_PHYSICAL_MEMORY_IN_KIB
#if MI_INTPTR_SIZE < 8
#define MI_DEFAULT_PHYSICAL_MEMORY 4*MI_GiB
#define MI_DEFAULT_PHYSICAL_MEMORY_IN_KIB 4*MI_MiB // 4 GiB
#else
#define MI_DEFAULT_PHYSICAL_MEMORY 32*MI_GiB
#define MI_DEFAULT_PHYSICAL_MEMORY_IN_KIB 32*MI_MiB // 32 GiB
#endif
#endif
@ -36,7 +36,7 @@ static mi_os_mem_config_t mi_os_mem_config = {
4096, // page size
0, // large page size (usually 2MiB)
4096, // allocation granularity
MI_DEFAULT_PHYSICAL_MEMORY,
MI_DEFAULT_PHYSICAL_MEMORY_IN_KIB,
MI_DEFAULT_VIRTUAL_ADDRESS_BITS,
true, // has overcommit? (if true we use MAP_NORESERVE on mmap systems)
false, // can we partially free allocated blocks? (on mmap systems we can free anywhere in a mapped range, but on Windows we must free the entire span)