CachedAccess: do not leak the page on RW

Signed-off-by: Andy-Python-Programmer <[email protected]>

Author: Andy-Python-Programmer

src/aero_kernel/src/fs/block/mod.rs

@@ -219,8 +219,6 @@ pub trait CachedAccess: BlockDeviceInterface {
             let data = &page.data_mut()[page_offset..page_offset + size];
             dest[loc..loc + size].copy_from_slice(data);
 
-            core::mem::forget(page);
-
             loc += size;
             offset = align_down(offset as u64 + Size4KiB::SIZE, Size4KiB::SIZE) as usize;
         }
@@ -248,8 +246,6 @@ pub trait CachedAccess: BlockDeviceInterface {
                 &buffer[loc..loc + size],
             );
 
-            core::mem::forget(page);
-
             loc += size;
             offset = align_down(offset as u64 + Size4KiB::SIZE, Size4KiB::SIZE) as usize;
         }