try to 102

os/src/syscall/process.rs

@@ -262,7 +262,6 @@ pub fn sys_mmap(
     let aligned_len = aligned_up(len);
 
     let ret = current_process().mmap(start, aligned_len, prot, flags, fd, offset);
-    println!("[debug] sys_mmap(aligned_start: {:#x?}, aligned_len: {}, prot: {:x?}, flags: {:x?}, fd: {}, offset: {} ) = {:#x?}", start, aligned_len, prot, flags, fd, offset, ret);
     gdb_println!(SYSCALL_ENABLE, "sys_mmap(aligned_start: {:#x?}, aligned_len: {}, prot: {:x?}, flags: {:x?}, fd: {}, offset: {} ) = {:#x?}", start, aligned_len, prot, flags, fd, offset, ret);
     ret
 }

os/src/trap/page_fault.rs

@@ -28,12 +28,12 @@ pub fn page_fault_handler(vaddr: usize) -> isize {
     let heap_top = current_process().inner_exclusive_access().user_heap_top;
     let mmap_top = current_process().inner_exclusive_access().mmap_area_top;
 
-    println!("va = {:#x?}, mmap_top = {:#x?}", vaddr, mmap_top);
+    // println!("va = {:#x?}, mmap_top = {:#x?}", vaddr, mmap_top);
     if vaddr >= heap_base && vaddr < heap_top {
-        println!("[kernel] alloc heap memory {:#x?}", vaddr);
+        // println!("[kernel] alloc heap memory {:#x?}", vaddr);
         lazy_alloc_heap_page(vaddr)
     } else if vaddr >= MMAP_BASE && vaddr < mmap_top {
-        println!("[kernel] alloc mmap memory {:#x?}", vaddr);
+        // println!("[kernel] alloc mmap memory {:#x?}", vaddr);
         lazy_alloc_mmap_page(vaddr)
     } else {
         -1