powerpc: Create next_tlbcam_idx percpu variable for FSL_BOOKE

This is used to round-robin TLBCAM entries.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 4138b21ae80a..b427a55ce2ab 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -115,6 +115,11 @@
 #ifndef __ASSEMBLY__
 #include <asm/cputable.h>
 
+#ifdef CONFIG_PPC_FSL_BOOK3E
+#include <asm/percpu.h>
+DECLARE_PER_CPU(int, next_tlbcam_idx);
+#endif
+
 static inline int mmu_has_feature(unsigned long feature)
 {
         return (cur_cpu_spec->mmu_features & feature);