Merge branch 'drm-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied...

[linux-drm-fsl-dcu.git] / arch / powerpc / mm / hash_low_64.S

diff --git a/arch/powerpc/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S
index 9bc0a9c2b9bcee59e6ca39fa5b9e7207dc7425b0..e64ce3eec36ed3e025324cb68011bac3c6a1028c 100644 (file)
--- a/arch/powerpc/mm/hash_low_64.S
+++ b/arch/powerpc/mm/hash_low_64.S
@@ -445,9 +445,12 @@ END_FTR_SECTION(CPU_FTR_NOEXECUTE|CPU_FTR_COHERENT_ICACHE, CPU_FTR_NOEXECUTE)
 
 htab_insert_pte:
        /* real page number in r5, PTE RPN value + index */
-       rldicl  r5,r31,64-PTE_RPN_SHIFT,PTE_RPN_SHIFT
+       andis.  r0,r31,_PAGE_4K_PFN@h
+       srdi    r5,r31,PTE_RPN_SHIFT
+       bne-    htab_special_pfn
        sldi    r5,r5,PAGE_SHIFT-HW_PAGE_SHIFT
        add     r5,r5,r25
+htab_special_pfn:
        sldi    r5,r5,HW_PAGE_SHIFT
 
        /* Calculate primary group hash */