kernel: don't have too many entries int he MCache

Signed-off-by: Reto Achermann <[email protected]>

Author: achreto

kernel/src/arch/x86_64/rackscale/controller_state.rs

@@ -25,7 +25,7 @@ lazy_static! {
     pub(crate) static ref CONTROLLER_SHMEM_CACHES: Arc<ArrayVec<Mutex<Box<dyn MemManager + Send>>, MAX_MACHINES>> = {
         let mut shmem_caches = ArrayVec::new();
         // TODO(rackscale): think about how we should constrain the mcache?
-        shmem_caches.push(Mutex::new(Box::new(MCache::<131071, 131071>::new_with_frame::<131071, 131071>(
+        shmem_caches.push(Mutex::new(Box::new(MCache::<65536, 65536>::new_with_frame::<65536, 65536>(
             local_shmem_affinity(),
             get_affinity_shmem(),
         )) as Box<dyn MemManager + Send>));