From: Vineet Gupta <vgupta@synopsys.com>
Date: Wed, 2 Sep 2015 12:27:58 +0000 (+0530)
Subject: ARC: comments update
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=61a163481845ec917914d33bdd60b531dacfcf07;p=linux-beck.git

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 0ee739846847..daf2bf52b984 100644
--- 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);
 		}