diff --git a/virtualizationservice/src/crosvm.rs b/virtualizationservice/src/crosvm.rs
index ae8388a..5873cd9 100644
--- a/virtualizationservice/src/crosvm.rs
+++ b/virtualizationservice/src/crosvm.rs
@@ -21,6 +21,7 @@
 use log::{debug, error, info};
 use shared_child::SharedChild;
 use std::fs::{remove_dir_all, File};
+use std::num::NonZeroU32;
 use std::os::unix::io::{AsRawFd, RawFd};
 use std::path::PathBuf;
 use std::process::Command;
@@ -40,6 +41,7 @@
     pub disks: Vec<DiskFile>,
     pub params: Option<String>,
     pub protected: bool,
+    pub memory_mib: Option<NonZeroU32>,
 }
 
 /// A disk image to pass to crosvm for a VM.
@@ -173,6 +175,10 @@
         command.arg("--protected-vm");
     }
 
+    if let Some(memory_mib) = config.memory_mib {
+        command.arg("--mem").arg(memory_mib.to_string());
+    }
+
     if let Some(log_fd) = log_fd {
         command.stdout(log_fd);
     } else {