1 files changed, 6 insertions, 2 deletions

diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 44b105c04dd3..34f8ff57c56b 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -288,8 +288,12 @@ sun4v_chip_type:
         /* Leave arg2 as-is, prom_mmu_ihandle_cache */
         mov     -1, %l3
         stx     %l3, [%sp + 2047 + 128 + 0x28]  ! arg3: mode (-1 default)
-        sethi   %hi(8 * 1024 * 1024), %l3
-        stx     %l3, [%sp + 2047 + 128 + 0x30]  ! arg4: size (8MB)
+        /* 4MB align the kernel image size. */
+        set     (_end - KERNBASE), %l3
+        set     ((4 * 1024 * 1024) - 1), %l4
+        add     %l3, %l4, %l3
+        andn    %l3, %l4, %l3
+        stx     %l3, [%sp + 2047 + 128 + 0x30]  ! arg4: roundup(ksize, 4MB)
         sethi   %hi(KERNBASE), %l3
         stx     %l3, [%sp + 2047 + 128 + 0x38]  ! arg5: vaddr (KERNBASE)
         stx     %g0, [%sp + 2047 + 128 + 0x40]  ! arg6: empty