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-rw-r--r--include/asm-blackfin/mmu_context.h6
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