1 files changed, 13 insertions, 3 deletions

diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index 657f6b37e9df..bc44dc4b5c67 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -47,8 +47,7 @@ _GLOBAL(slb_allocate_realmode)
          * it to VSID 0, which is reserved as a bad VSID - one which
          * will never have any pages in it.  */
 
-        /* Check if hitting the linear mapping of the vmalloc/ioremap
-         * kernel space
+        /* Check if hitting the linear mapping or some other kernel space
         */
         bne     cr7,1f
 
@@ -62,7 +61,18 @@ BEGIN_FTR_SECTION
 END_FTR_SECTION_IFCLR(CPU_FTR_1T_SEGMENT)
         b       slb_finish_load_1T
 
-1:      /* vmalloc/ioremap mapping encoding bits, the "li" instructions below
+1:
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+        /* Check virtual memmap region. To be patches at kernel boot */
+        cmpldi  cr0,r9,0xf
+        bne     1f
+_GLOBAL(slb_miss_kernel_load_vmemmap)
+        li      r11,0
+        b       6f
+1:
+#endif /* CONFIG_SPARSEMEM_VMEMMAP */
+
+        /* vmalloc/ioremap mapping encoding bits, the "li" instructions below
          * will be patched by the kernel at boot
          */
 BEGIN_FTR_SECTION