[MEM] alloc header fixes

Author: di

kernel/memory/memory_types.h

@@ -2,6 +2,8 @@
 
 #include "types.h"
 
+//DEADLINE: 01/03/2026 - will merge with alloc/mem_types.h
+
 typedef struct FreeBlock {
     uint64_t size;
     struct FreeBlock* next;

kernel/memory/mmu.c

@@ -12,6 +12,7 @@
 #include "process/scheduler.h"
 #include "sysregs.h"
 #include "std/memory.h"
+#include "alloc/mem_types.h"
 
 #define PD_TABLE 0b11
 #define PD_BLOCK 0b01

kernel/memory/page_allocator.h

@@ -1,12 +1,7 @@
 #pragma once
 
 #include "types.h"
-#include "memory_types.h"
-
-#define ALIGN_4KB 0x1000
-#define ALIGN_16B 0x10
-#define ALIGN_64B 0x40
-#define PAGE_SIZE 4096
+#include "alloc/mem_types.h"
 
 #define MEM_PRIV_USER   0
 #define MEM_PRIV_KERNEL 1
@@ -31,6 +26,7 @@ void mark_used(uintptr_t address, size_t pages);
 
 bool page_used(uintptr_t ptr);
 
+//DEADLINE: 13/02/2026 - will be merged with alloc/allocate
 void* kalloc_inner(void *page, size_t size, uint16_t alignment, uint8_t level, uintptr_t page_va, uintptr_t *next_va, uintptr_t *ttbr);
 void* kalloc(void *page, size_t size, uint16_t alignment, uint8_t level);
 void kfree(void* ptr, size_t size);

utils/terminal/terminal.cpp

@@ -1,4 +1,5 @@
 #include "terminal.hpp"
+#include "alloc/allocate.h"
 #include "std/std.h"
 #include "input_keycodes.h"
 
@@ -174,7 +175,7 @@ bool Terminal::exec_cmd(const char *cmd, int argc, const char *argv[]){
 
     int state = 1;
     size_t amount = 0x100;
-    char *buf = (char*)malloc(amount + 1);
+    char *buf = (char*)zalloc(amount + 1);
     if (!buf) {
         closef(&out_fd);
         closef(&state_fd);
@@ -208,7 +209,7 @@ bool Terminal::exec_cmd(const char *cmd, int argc, const char *argv[]){
 
 const char** Terminal::parse_arguments(char *args, int *count){
     *count = 0;
-    const char **argv = (const char**)malloc(16 * sizeof(uintptr_t));
+    const char **argv = (const char**)zalloc(16 * sizeof(uintptr_t));
     char* p = args;
 
     while (*p && *count < 16){
@@ -280,11 +281,11 @@ void Terminal::run_command(){
         } else {
             string s = string_format("Unknown command %s", cmd.data);
             put_string(s.data);
-            free_sized(s.data, s.mem_length);
+            string_free(s);
         }
     }
 
-    if (argv) free_sized((void*)argv, 16 * sizeof(uintptr_t));
+    if (argv) release((void*)argv);
     free_sized(cmd.data, cmd.mem_length);
     if (args_copy.mem_length) free_sized(args_copy.data, args_copy.mem_length);