diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 0d3eacc4bfbb..674c409a8ce4 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -53,6 +53,7 @@
 u64 idmap_t0sz = TCR_T0SZ(VA_BITS);
 u64 idmap_ptrs_per_pgd = PTRS_PER_PGD;
 u64 vabits_user __ro_after_init;
+EXPORT_SYMBOL(vabits_user);
 
 u64 kimage_voffset __ro_after_init;
 EXPORT_SYMBOL(kimage_voffset);