ARC: comments update

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c
index 0ee7398468476f57b301bde2fa7c7e13735bb3fb..daf2bf52b984c6781dbb6831e22f013b04e58d0d 100644 (file)
--- a/arch/arc/mm/tlb.c
+++ b/arch/arc/mm/tlb.c
@@ -619,10 +619,10 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr_unaligned,
 
                int dirty = !test_and_set_bit(PG_dc_clean, &page->flags);
                if (dirty) {
-                       /* wback + inv dcache lines */
+                       /* wback + inv dcache lines (K-mapping) */
                        __flush_dcache_page(paddr, paddr);
 
-                       /* invalidate any existing icache lines */
+                       /* invalidate any existing icache lines (U-mapping) */
                        if (vma->vm_flags & VM_EXEC)
                                __inv_icache_page(paddr, vaddr);
                }