diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 1bcc144da287..2a75ff249e71 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -997,7 +997,7 @@ void __init plat_mem_setup(void)
 	cvmx_bootmem_unlock();
 	/* Add the memory region for the kernel. */
 	kernel_start = (unsigned long) _text;
-	kernel_size = ALIGN(_end - _text, 0x100000);
+	kernel_size = _end - _text;
 
 	/* Adjust for physical offset. */
 	kernel_start &= ~0xffffffff80000000ULL;