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Align committed to a page size

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This commit is contained in:
gingerBill
2023-08-15 15:20:23 +01:00
parent 646c4c7458
commit 8d673789be
1 changed files with 5 additions and 0 deletions
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core/mem/virtual/virtual.odin
+5
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@@ -69,7 +69,12 @@ align_formula :: #force_inline proc "contextless" (size, align: uint) -> uint {
memory_block_alloc :: proc(committed, reserved: uint, flags: Memory_Block_Flags) -> (block: ^Memory_Block, err: Allocator_Error) { memory_block_alloc :: proc(committed, reserved: uint, flags: Memory_Block_Flags) -> (block: ^Memory_Block, err: Allocator_Error) {
page_size := DEFAULT_PAGE_SIZE page_size := DEFAULT_PAGE_SIZE
assert(mem.is_power_of_two(uintptr(page_size))) assert(mem.is_power_of_two(uintptr(page_size)))
committed := committed committed := committed
reserved := reserved
committed = align_formula(committed, page_size)
reserved = align_formula(reserved, page_size)
committed = clamp(committed, 0, reserved) committed = clamp(committed, 0, reserved)
total_size := uint(reserved + size_of(Platform_Memory_Block)) total_size := uint(reserved + size_of(Platform_Memory_Block))