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ggml-alloc : correctly check mmap return value for errors (#3075)

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slaren
2023-09-08 04:04:56 +02:00
committed by GitHub
parent 7f412dab9c
commit ebc96086af
1 changed files with 5 additions and 1 deletions
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6
ggml-alloc.c
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@@ -316,7 +316,11 @@ static void * alloc_vmem(size_t size) {
#if defined(_WIN32)
return VirtualAlloc(NULL, size, MEM_RESERVE, PAGE_NOACCESS);
#elif defined(_POSIX_MAPPED_FILES)
return mmap(NULL, size, PROT_NONE, MAP_PRIVATE | MAP_ANON, -1, 0);
void * ptr = mmap(NULL, size, PROT_NONE, MAP_PRIVATE | MAP_ANON, -1, 0);
if (ptr == MAP_FAILED) {
return NULL;
}
return ptr;
#else
// use a fixed address for other platforms
uintptr_t base_addr = (uintptr_t)-size - 0x100;