Refactor: wrap RwLock<AddrSpace>.

src/syscall/process.rs

@@ -261,6 +261,7 @@ pub fn mprotect(address: usize, size: usize, flags: MapFlags) -> Result<usize> {
         .ok_or(Error::new(EINVAL))?;
 
     AddrSpace::current()?
+        .inner
         .write()
         .mprotect(span, flags)
         .map(|()| 0)
@@ -590,7 +591,7 @@ pub unsafe fn usermode_bootstrap(bootstrap: &Bootstrap) -> ! {
         let page_count = NonZeroUsize::new(bootstrap.page_count)
             .expect("bootstrap contained no pages!");
 
-        let _base_page = addr_space.write().mmap(Some(base), page_count, flags, &mut Vec::new(), |page, flags, mapper, flusher| {
+        let _base_page = addr_space.inner.write().mmap(Some(base), page_count, flags, &mut Vec::new(), |page, flags, mapper, flusher| {
             let shared = false;
             Ok(Grant::zeroed(PageSpan::new(page, bootstrap.page_count), flags, mapper, flusher, shared)?)
         });