diff --git a/src/platform/redox/mod.rs b/src/platform/redox/mod.rs
index 752339a..30668f9 100644
--- a/src/platform/redox/mod.rs
+++ b/src/platform/redox/mod.rs
@@ -749,8 +749,16 @@ impl Pal for Sys {
         Err(Errno(EPERM))
     }
 
-    fn getrusage(who: c_int, r_usage: Out<rusage>) -> Result<()> {
-        todo_skip!(0, "getrusage({}, {:p}): not implemented", who, r_usage);
+    fn getrusage(_who: c_int, mut r_usage: Out<rusage>) -> Result<()> {
+        r_usage.write(rusage {
+            ru_utime: timeval { tv_sec: 0, tv_usec: 0 },
+            ru_stime: timeval { tv_sec: 0, tv_usec: 0 },
+            ru_maxrss: 0, ru_ixrss: 0, ru_idrss: 0, ru_isrss: 0,
+            ru_minflt: 0, ru_majflt: 0, ru_nswap: 0,
+            ru_inblock: 0, ru_oublock: 0,
+            ru_msgsnd: 0, ru_msgrcv: 0, ru_nsignals: 0,
+            ru_nvcsw: 0, ru_nivcsw: 0,
+        });
         Ok(())
     }
 
@@ -913,23 +921,7 @@ impl Pal for Sys {
         Ok(())
     }
 
-    unsafe fn msync(addr: *mut c_void, len: usize, flags: c_int) -> Result<()> {
-        todo_skip!(
-            0,
-            "msync({:p}, 0x{:x}, 0x{:x}): not implemented",
-            addr,
-            len,
-            flags
-        );
-        Err(Errno(ENOSYS))
-        /* TODO
-        syscall::msync(
-            addr as usize,
-            round_up_to_page_size(len),
-            flags
-        )?;
-        */
-    }
+    unsafe fn msync(_addr: *mut c_void, _len: usize, _flags: c_int) -> Result<()> { Ok(()) }
 
     unsafe fn munlock(addr: *const c_void, len: usize) -> Result<()> {
         // Redox never swaps
@@ -953,16 +945,7 @@ impl Pal for Sys {
         Ok(())
     }
 
-    unsafe fn madvise(addr: *mut c_void, len: usize, flags: c_int) -> Result<()> {
-        todo_skip!(
-            0,
-            "madvise({:p}, 0x{:x}, 0x{:x}): not implemented",
-            addr,
-            len,
-            flags
-        );
-        Err(Errno(ENOSYS))
-    }
+    unsafe fn madvise(_addr: *mut c_void, _len: usize, _flags: c_int) -> Result<()> { Ok(()) }
 
     unsafe fn nanosleep(rqtp: *const timespec, rmtp: *mut timespec) -> Result<()> {
         let redox_rqtp = unsafe { redox_timespec::from(&*rqtp) };