diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index ef8c9ce53a616910d264f4875b9ec72311a110a8..fa63d3fff14c8aca2e211459cff1d3008ae24600 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -356,15 +356,7 @@ static void pnv_kexec_cpu_down(int crash_shutdown, int secondary)
 #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
 static unsigned long pnv_memory_block_size(void)
 {
-	/*
-	 * We map the kernel linear region with 1GB large pages on radix. For
-	 * memory hot unplug to work our memory block size must be at least
-	 * this size.
-	 */
-	if (radix_enabled())
-		return 1UL * 1024 * 1024 * 1024;
-	else
-		return 256UL * 1024 * 1024;
+	return 256UL * 1024 * 1024;
 }
 #endif