linux-kernel - [PATCH 01/17] mm/compaction: rename var zone_end

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Date:	Tue, 15 Jan 2013 16:24:38 -0800
From:	Cody P Schafer <cody@...ux.vnet.ibm.com>
To:	Linux MM <linux-mm@...ck.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Cody P Schafer <cody@...ux.vnet.ibm.com>
Subject: [PATCH 01/17] mm/compaction: rename var zone_end_pfn to avoid conflicts with new function

Patches that follow add a inline function zone_end_pfn(), which
conflicts with the naming of a local variable in isolate_freepages().

Rename the variable so it does not conflict.

Signed-off-by: Cody P Schafer <cody@...ux.vnet.ibm.com>
---
 mm/compaction.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index c62bd06..1b52528 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -644,7 +644,7 @@ static void isolate_freepages(struct zone *zone,
 				struct compact_control *cc)
 {
 	struct page *page;
-	unsigned long high_pfn, low_pfn, pfn, zone_end_pfn, end_pfn;
+	unsigned long high_pfn, low_pfn, pfn, z_end_pfn, end_pfn;
 	int nr_freepages = cc->nr_freepages;
 	struct list_head *freelist = &cc->freepages;
 
@@ -663,7 +663,7 @@ static void isolate_freepages(struct zone *zone,
 	 */
 	high_pfn = min(low_pfn, pfn);
 
-	zone_end_pfn = zone->zone_start_pfn + zone->spanned_pages;
+	z_end_pfn = zone->zone_start_pfn + zone->spanned_pages;
 
 	/*
 	 * Isolate free pages until enough are available to migrate the
@@ -706,7 +706,7 @@ static void isolate_freepages(struct zone *zone,
 		 * only scans within a pageblock
 		 */
 		end_pfn = ALIGN(pfn + 1, pageblock_nr_pages);
-		end_pfn = min(end_pfn, zone_end_pfn);
+		end_pfn = min(end_pfn, z_end_pfn);
 		isolated = isolate_freepages_block(cc, pfn, end_pfn,
 						   freelist, false);
 		nr_freepages += isolated;
-- 
1.8.0.3

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