Replaced opaque bit-shifts with readable constants for memory units

core/mem/allocators.odin

@@ -153,7 +153,7 @@ scratch_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
 	s := (^Scratch_Allocator)(allocator_data)
 
 	if s.data == nil {
-		DEFAULT_BACKING_SIZE :: 1<<22
+		DEFAULT_BACKING_SIZE :: 4 * Megabyte
 		if !(context.allocator.procedure != scratch_allocator_proc &&
 		     context.allocator.data != allocator_data) {
 			panic("cyclic initialization of the scratch allocator with itself")

core/mem/mem.odin

@@ -3,11 +3,11 @@ package mem
 import "core:runtime"
 import "core:intrinsics"
 
-Byte     :: 1
-Kilobyte :: 1024 * Byte
-Megabyte :: 1024 * Kilobyte
-Gigabyte :: 1024 * Megabyte
-Terabyte :: 1024 * Gigabyte
+Byte     :: runtime.Byte
+Kilobyte :: runtime.Kilobyte
+Megabyte :: runtime.Megabyte
+Gigabyte :: runtime.Gigabyte
+Terabyte :: runtime.Terabyte
 
 set :: proc "contextless" (data: rawptr, value: byte, len: int) -> rawptr {
 	return runtime.memset(data, i32(value), len)

core/mem/virtual/arena.odin

@@ -19,11 +19,11 @@ Arena :: struct {
 
 
 // 1 MiB should be enough to start with
-DEFAULT_ARENA_STATIC_COMMIT_SIZE         :: 1<<20
+DEFAULT_ARENA_STATIC_COMMIT_SIZE         :: mem.Megabyte
 DEFAULT_ARENA_GROWING_MINIMUM_BLOCK_SIZE :: DEFAULT_ARENA_STATIC_COMMIT_SIZE
 
 // 1 GiB on 64-bit systems, 128 MiB on 32-bit systems by default
-DEFAULT_ARENA_STATIC_RESERVE_SIZE :: 1<<30 when size_of(uintptr) == 8 else 1<<27
+DEFAULT_ARENA_STATIC_RESERVE_SIZE :: mem.Gigabyte when size_of(uintptr) == 8 else 128 * mem.Megabyte