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-rw-r--r--arch/powerpc/mm/slb_low.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index 17aa6dfceb34..e0b3cf42b053 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -35,7 +35,7 @@ _GLOBAL(slb_allocate_realmode)
* check for bad kernel/user address
* (ea & ~REGION_MASK) >= PGTABLE_RANGE
*/
- rldicr. r9,r3,4,(63 - 46 - 4)
+ rldicr. r9,r3,4,(63 - PGTABLE_EADDR_SIZE - 4)
bne- 8f
srdi r9,r3,60 /* get region */