diff --git a/framework/jinux-frame/src/arch/x86/boot/linux_boot/mod.rs b/framework/jinux-frame/src/arch/x86/boot/linux_boot/mod.rs
index 297e095d2..0716da811 100644
--- a/framework/jinux-frame/src/arch/x86/boot/linux_boot/mod.rs
+++ b/framework/jinux-frame/src/arch/x86/boot/linux_boot/mod.rs
@@ -111,9 +111,10 @@ impl From<E820Type> for MemoryRegionType {
 }
 
 fn init_memory_regions(memory_regions: &'static Once<Vec<MemoryRegion>>) {
-    let boot_params = &BOOT_PARAMS.get().unwrap();
-    let num_entries = boot_params.e820_entries as usize;
     let mut regions = Vec::<MemoryRegion>::new();
+
+    let boot_params = BOOT_PARAMS.get().unwrap();
+    let num_entries = boot_params.e820_entries as usize;
     for e820_entry in &boot_params.e820_table[0..num_entries] {
         regions.push(MemoryRegion::new(
             e820_entry.addr as usize,
@@ -121,6 +122,7 @@ fn init_memory_regions(memory_regions: &'static Once<Vec<MemoryRegion>>) {
             e820_entry.typ.into(),
         ));
     }
+
     memory_regions.call_once(|| regions);
 }
 
diff --git a/framework/jinux-frame/src/arch/x86/boot/multiboot/mod.rs b/framework/jinux-frame/src/arch/x86/boot/multiboot/mod.rs
index 5276426b3..4247b3e5c 100644
--- a/framework/jinux-frame/src/arch/x86/boot/multiboot/mod.rs
+++ b/framework/jinux-frame/src/arch/x86/boot/multiboot/mod.rs
@@ -103,12 +103,12 @@ fn init_framebuffer_info(framebuffer_arg: &'static Once<BootloaderFramebufferArg
 fn init_memory_regions(memory_regions: &'static Once<Vec<MemoryRegion>>) {
     let mut regions = Vec::<MemoryRegion>::new();
 
-    // Add the regions in the multiboot protocol.
     let info = MB1_INFO.get().unwrap();
+
+    // Add the regions in the multiboot protocol.
     let start = info.memory_map_addr as usize;
     let length = info.memory_map_len as usize;
     let mut current = start;
-
     while current < start + length {
         let entry = unsafe { &*(paddr_to_vaddr(current) as *const MemoryEntry) };
         let start = entry.base_addr;
@@ -134,6 +134,7 @@ fn init_memory_regions(memory_regions: &'static Once<Vec<MemoryRegion>>) {
         (fb.width * fb.height * fb.bpp + 7) / 8, // round up when divide with 8 (bits/Byte)
         MemoryRegionType::Framebuffer,
     ));
+
     // Add the kernel region.
     // These are physical addresses provided by the linker script.
     extern "C" {
diff --git a/framework/jinux-frame/src/arch/x86/boot/multiboot2/mod.rs b/framework/jinux-frame/src/arch/x86/boot/multiboot2/mod.rs
index 2a94e0e70..6f437e5eb 100644
--- a/framework/jinux-frame/src/arch/x86/boot/multiboot2/mod.rs
+++ b/framework/jinux-frame/src/arch/x86/boot/multiboot2/mod.rs
@@ -106,10 +106,10 @@ impl From<MemoryAreaType> for MemoryRegionType {
 fn init_memory_regions(memory_regions: &'static Once<Vec<MemoryRegion>>) {
     let mut regions = Vec::<MemoryRegion>::new();
 
+    let mb2_info = MB2_INFO.get().unwrap();
+
     // Add the regions returned by Grub.
-    let memory_regions_tag = MB2_INFO
-        .get()
-        .unwrap()
+    let memory_regions_tag = mb2_info
         .memory_map_tag()
         .expect("Memory region not found from the Multiboot2 header!");
     let num_memory_regions = memory_regions_tag.memory_areas().len();
@@ -124,7 +124,8 @@ fn init_memory_regions(memory_regions: &'static Once<Vec<MemoryRegion>>) {
         );
         regions.push(region);
     }
-    if let Some(Ok(fb_tag)) = MB2_INFO.get().unwrap().framebuffer_tag() {
+
+    if let Some(Ok(fb_tag)) = mb2_info.framebuffer_tag() {
         // Add the framebuffer region since Grub does not specify it.
         let fb = BootloaderFramebufferArg {
             address: fb_tag.address() as usize,
@@ -138,6 +139,7 @@ fn init_memory_regions(memory_regions: &'static Once<Vec<MemoryRegion>>) {
             MemoryRegionType::Framebuffer,
         ));
     }
+
     // Add the kernel region since Grub does not specify it.
     // These are physical addresses provided by the linker script.
     extern "C" {
@@ -149,12 +151,13 @@ fn init_memory_regions(memory_regions: &'static Once<Vec<MemoryRegion>>) {
         __kernel_end as usize - __kernel_start as usize,
         MemoryRegionType::Kernel,
     ));
+
     // Add the boot module region since Grub does not specify it.
-    let mb2_module_tag = MB2_INFO.get().unwrap().module_tags();
-    for m in mb2_module_tag {
+    let mb2_module_tag = mb2_info.module_tags();
+    for module in mb2_module_tag {
         regions.push(MemoryRegion::new(
-            m.start_address() as usize,
-            m.module_size() as usize,
+            module.start_address() as usize,
+            module.module_size() as usize,
             MemoryRegionType::Module,
         ));
     }