1 files changed, 13 insertions, 0 deletions

diff --git a/arch/mips/include/asm/tlb.h b/arch/mips/include/asm/tlb.h
index 4a2349302b55..dd179fd8acda 100644
--- a/arch/mips/include/asm/tlb.h
+++ b/arch/mips/include/asm/tlb.h
@@ -1,6 +1,9 @@
 #ifndef __ASM_TLB_H
 #define __ASM_TLB_H
 
+#include <asm/cpu-features.h>
+#include <asm/mipsregs.h>
+
 /*
  * MIPS doesn't need any special per-pte or per-vma handling, except
  * we need to flush cache for area to be unmapped.
@@ -22,6 +25,16 @@
                 ((CKSEG0 + ((idx) << (PAGE_SHIFT + 1))) |               \
                  (cpu_has_tlbinv ? MIPS_ENTRYHI_EHINV : 0))
 
+static inline unsigned int num_wired_entries(void)
+{
+        unsigned int wired = read_c0_wired();
+
+        if (cpu_has_mips_r6)
+                wired &= MIPSR6_WIRED_WIRED;
+
+        return wired;
+}
+
 #include <asm-generic/tlb.h>
 
 #endif /* __ASM_TLB_H */