kernel: don't use typedef for enums or non-opaque structs

arch/x86_64/include/arch/paging.h

@@ -19,37 +19,37 @@ extern "C" {
 typedef phys_addr_t pml4t_ptr_t;
 typedef uint64_t pte_t;
 
-typedef struct pml4t {
+struct pml4t {
 	phys_addr_t p_entries[512];
-} __packed pml4t_t;
+} __packed;
 
-typedef struct pdpt {
+struct pdpt {
 	union {
 		/* 4KiB and 2MiB pages */
 		phys_addr_t p_entries[512];
 		/* 1GiB pages */
 		pte_t p_pages[512];
 	};
-} __packed pdpt_t;
+} __packed;
 
-typedef struct pdir {
+struct pdir {
 	union {
 		/* 4KiB pages */
 		phys_addr_t p_entries[512];
 		/* 2MiB pages */
 		pte_t p_pages[512];
 	};
-} __packed pdir_t;
+} __packed;
 
-typedef struct ptab {
+struct ptab {
 	pte_t p_pages[512];
-} __packed ptab_t;
+} __packed;
 
-typedef enum page_size {
+enum page_size {
 	PS_4K,
 	PS_2M,
 	PS_1G,
-} page_size_t;
+};
 
 /* returns 1 if gigabyte pages are supported by the CPU, 0 otherwise.
    defined in pmap_ctrl.S */