linux-kernel - [PATCH 2/2] mm: tlb_fast_mode check missing in tlb_finish

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Date:	Fri, 31 May 2013 16:23:50 +0530
From:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	<linux-mm@...ck.org>, <linux-arch@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Max Filippov <jcmvbkbc@...il.com>,
	"Vineet Gupta" <Vineet.Gupta1@...opsys.com>,
	Mel Gorman <mgorman@...e.de>, Hugh Dickins <hughd@...gle.com>,
	Rik van Riel <riel@...hat.com>,
	David Rientjes <rientjes@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH 2/2] mm: tlb_fast_mode check missing in tlb_finish_mmu()

This removes some unused generated code for tlb_fast_mode() == true

Signed-off-by: Vineet Gupta <vgupta@...opsys.com>
Acked-by: Peter Zijlstra <peterz@...radead.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Mel Gorman <mgorman@...e.de>
Cc: Hugh Dickins <hughd@...gle.com>
Cc: Rik van Riel <riel@...hat.com>
Cc: David Rientjes <rientjes@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: linux-mm@...ck.org
Cc: linux-arch@...r.kernel.org <linux-arch@...r.kernel.org>
---
 mm/memory.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/mm/memory.c b/mm/memory.c
index d9d5fd9..569ffe1 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -269,6 +269,9 @@ void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long e
 	/* keep the page table cache within bounds */
 	check_pgt_cache();
 
+	if (tlb_fast_mode(tlb))
+		return;
+
 	for (batch = tlb->local.next; batch; batch = next) {
 		next = batch->next;
 		free_pages((unsigned long)batch, 0);
-- 
1.7.10.4

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