1 files changed, 4 insertions, 2 deletions

diff --git a/include/asm-blackfin/mmu_context.h b/include/asm-blackfin/mmu_context.h
index f55ec3c23a92..8529552a981f 100644
--- a/include/asm-blackfin/mmu_context.h
+++ b/include/asm-blackfin/mmu_context.h
@@ -173,8 +173,10 @@ static inline void protect_page(struct mm_struct *mm, unsigned long addr,
 
 static inline void update_protections(struct mm_struct *mm)
 {
-        flush_switched_cplbs();
-        set_mask_dcplbs(mm->context.page_rwx_mask);
+        if (mm->context.page_rwx_mask == current_rwx_mask) {
+                flush_switched_cplbs();
+                set_mask_dcplbs(mm->context.page_rwx_mask);
+        }
 }
 #endif