feat(kernel): per-process budgets (pages, endpoints, notifs, regions) carved from creator, returned on death; init owns pool

crates/kernel/src/syscall/mod.rs

@@ -83,9 +83,11 @@ impl<P: Platform> Kernel<P> {
             Syscall::SpawnThread { entry, stack, arg } => {
                 self.handle_spawn_thread(pid, entry, stack, arg)
             }
-            Syscall::CreateProcess { create_cap, image } => {
-                self.handle_create_process(pid, create_cap, image)
-            }
+            Syscall::CreateProcess {
+                create_cap,
+                image,
+                limits,
+            } => self.handle_create_process(pid, create_cap, image, limits),
             Syscall::Kill { process } => self.handle_kill(pid, process),
             Syscall::Revoke { slot } => self.handle_revoke(pid, slot),
             Syscall::DropCap { slot } => self.handle_drop_cap(pid, slot),