Fixes: dad6f37c2602e ("powerpc: subpage_protect: Increase the array size to 
take care of 64TB")
Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
---
 arch/powerpc/mm/subpage-prot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/mm/subpage-prot.c b/arch/powerpc/mm/subpage-prot.c
index e94fbd4c8845..781532d7bc4d 100644
--- a/arch/powerpc/mm/subpage-prot.c
+++ b/arch/powerpc/mm/subpage-prot.c
@@ -36,7 +36,7 @@ void subpage_prot_free(struct mm_struct *mm)
                }
        }
        addr = 0;
-       for (i = 0; i < 2; ++i) {
+       for (i = 0; i < (TASK_SIZE_USER64 >> 43); ++i) {
                p = spt->protptrs[i];
                if (!p)
                        continue;
-- 
2.7.4

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