1 files changed, 4 insertions, 6 deletions

diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index bc44dc4b5c67..95ce35581696 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -72,19 +72,17 @@ _GLOBAL(slb_miss_kernel_load_vmemmap)
 1:
 #endif /* CONFIG_SPARSEMEM_VMEMMAP */
 
-        /* vmalloc/ioremap mapping encoding bits, the "li" instructions below
-         * will be patched by the kernel at boot
+        /* vmalloc mapping gets the encoding from the PACA as the mapping
+         * can be demoted from 64K -> 4K dynamically on some machines
          */
-BEGIN_FTR_SECTION
-        /* check whether this is in vmalloc or ioremap space */
         clrldi  r11,r10,48
         cmpldi  r11,(VMALLOC_SIZE >> 28) - 1
         bgt     5f
         lhz     r11,PACAVMALLOCSLLP(r13)
         b       6f
 5:
-END_FTR_SECTION_IFCLR(CPU_FTR_CI_LARGE_PAGE)
-_GLOBAL(slb_miss_kernel_load_io)
+        /* IO mapping */
+        _GLOBAL(slb_miss_kernel_load_io)
         li      r11,0
 6:
 BEGIN_FTR_SECTION