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merge from dev-exp; better abandoned reclamation

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daan 2020-01-27 22:12:23 -08:00
commit b50bec463d
25 changed files with 661 additions and 337 deletions
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src/os.c
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@ -396,7 +396,7 @@ static void* mi_unix_mmap(void* addr, size_t size, size_t try_alignment, int pro
// On 64-bit systems, we can do efficient aligned allocation by using
// the 4TiB to 30TiB area to allocate them.
#if (MI_INTPTR_SIZE >= 8) && (defined(_WIN32) || (defined(MI_OS_USE_MMAP) && !defined(MAP_ALIGNED)))
static volatile _Atomic(uintptr_t) aligned_base;
static volatile mi_decl_cache_align _Atomic(uintptr_t) aligned_base;
// Return a 4MiB aligned address that is probably available
static void* mi_os_get_aligned_hint(size_t try_alignment, size_t size) {
@ -904,7 +904,7 @@ static void* mi_os_alloc_huge_os_pagesx(void* addr, size_t size, int numa_node)
#if (MI_INTPTR_SIZE >= 8)
// To ensure proper alignment, use our own area for huge OS pages
static _Atomic(uintptr_t) mi_huge_start; // = 0
static mi_decl_cache_align _Atomic(uintptr_t) mi_huge_start; // = 0
// Claim an aligned address range for huge pages
static uint8_t* mi_os_claim_huge_pages(size_t pages, size_t* total_size) {