1 files changed, 5 insertions, 2 deletions

diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 948f01a04cc3..8e956a0b6e85 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -116,8 +116,11 @@ struct paca_struct {
         /* Shared by all threads of a core -- points to tcd of first thread */
         struct tlb_core_data *tcd_ptr;
 
-        /* We can have up to 3 levels of reentrancy in the TLB miss handler */
-        u64 extlb[3][EX_TLB_SIZE / sizeof(u64)];
+        /*
+         * We can have up to 3 levels of reentrancy in the TLB miss handler,
+         * in each of four exception levels (normal, crit, mcheck, debug).
+         */
+        u64 extlb[12][EX_TLB_SIZE / sizeof(u64)];
         u64 exmc[8];            /* used for machine checks */
         u64 excrit[8];          /* used for crit interrupts */
         u64 exdbg[8];           /* used for debug interrupts */