refactor: Align memory pools on cache lines

runtime/include/module.h

@@ -46,7 +46,7 @@ INIT_POOL(wasm_stack, wasm_stack_delete)
 struct module_pools {
 	struct wasm_memory_pool memory;
 	struct wasm_stack_pool  stack;
-} __attribute__((aligned(8)));
+} __attribute__((aligned(CACHE_LINE)));
 
 struct module {
 	/* Metadata from JSON Config */

runtime/include/types.h

@@ -17,6 +17,7 @@
 #define PAGE_ALIGNED __attribute__((aligned(PAGE_SIZE)))
 #define PAGE_SIZE    (unsigned long)(1 << 12)
 #define WEAK         __attribute__((weak))
+#define CACHE_LINE   64
 
 #ifndef unlikely
 #define unlikely(x) __builtin_expect(!!(x), 0)