diff --git a/pvmfw/src/helpers.rs b/pvmfw/src/helpers.rs
index 933a6aa..a6f0dd5 100644
--- a/pvmfw/src/helpers.rs
+++ b/pvmfw/src/helpers.rs
@@ -112,7 +112,8 @@
 }
 
 #[inline]
-fn min_dcache_line_size() -> usize {
+/// Read the number of words in the smallest cache line of all the data caches and unified caches.
+pub fn min_dcache_line_size() -> usize {
     const DMINLINE_SHIFT: usize = 16;
     const DMINLINE_MASK: usize = 0xf;
     let ctr_el0 = read_sysreg!("ctr_el0");