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wip: bug fixes

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This commit is contained in:
daanx 2024-11-30 10:39:30 -08:00
parent 978d844e15
commit 9d904e8643
8 changed files with 52 additions and 36 deletions
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9
src/prim/windows/prim.c
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@ -108,6 +108,8 @@ static bool win_enable_large_os_pages(size_t* large_page_size)
// Initialize
//---------------------------------------------
static DWORD win_allocation_granularity = 64*MI_KiB;
void _mi_prim_mem_init( mi_os_mem_config_t* config )
{
config->has_overcommit = false;
@ -117,7 +119,10 @@ void _mi_prim_mem_init( mi_os_mem_config_t* config )
SYSTEM_INFO si;
GetSystemInfo(&si);
if (si.dwPageSize > 0) { config->page_size = si.dwPageSize; }
if (si.dwAllocationGranularity > 0) { config->alloc_granularity = si.dwAllocationGranularity; }
if (si.dwAllocationGranularity > 0) {
config->alloc_granularity = si.dwAllocationGranularity;
win_allocation_granularity = si.dwAllocationGranularity;
}
// get virtual address bits
if ((uintptr_t)si.lpMaximumApplicationAddress > 0) {
const size_t vbits = MI_INTPTR_BITS - mi_clz((uintptr_t)si.lpMaximumApplicationAddress);
@ -203,7 +208,7 @@ static void* win_virtual_alloc_prim_once(void* addr, size_t size, size_t try_ali
}
#endif
// on modern Windows try use VirtualAlloc2 for aligned allocation
if (addr == NULL && try_alignment > 1 && (try_alignment % _mi_os_page_size()) == 0 && pVirtualAlloc2 != NULL) {
if (addr == NULL && try_alignment > win_allocation_granularity && (try_alignment % _mi_os_page_size()) == 0 && pVirtualAlloc2 != NULL) {
MI_MEM_ADDRESS_REQUIREMENTS reqs = { 0, 0, 0 };
reqs.Alignment = try_alignment;
MI_MEM_EXTENDED_PARAMETER param = { {0, 0}, {0} };