linux-kernel - [PATCH] mm: remove unnecessary variable idx0 in __early

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Message-ID: <5209A173.3090600@huawei.com>
Date:	Tue, 13 Aug 2013 11:01:07 +0800
From:	Jianguo Wu <wujianguo@...wei.com>
To:	Andrew Morton <akpm@...ux-foundation.org>, <tglx@...utronix.de>
CC:	<mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	<linux-kernel@...r.kernel.org>, <x86@...nel.org>,
	<linux-mm@...ck.org>, <wangchen@...fujitsu.com>,
	Hanjun Guo <guohanjun@...wei.com>
Subject: [PATCH] mm: remove unnecessary variable idx0 in __early_ioremap()

After commit 8827247ffcc(x86: don't define __this_fixmap_does_not_exist()),
variable idx0 is no longer needed, so just remove it.

Signed-off-by: Jianguo Wu <wujianguo@...wei.com>
---
 arch/x86/mm/ioremap.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 0215e2c..799580c 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -487,7 +487,7 @@ __early_ioremap(resource_size_t phys_addr, unsigned long size, pgprot_t prot)
 	unsigned long offset;
 	resource_size_t last_addr;
 	unsigned int nrpages;
-	enum fixed_addresses idx0, idx;
+	enum fixed_addresses idx;
 	int i, slot;
 
 	WARN_ON(system_state != SYSTEM_BOOTING);
@@ -540,8 +540,7 @@ __early_ioremap(resource_size_t phys_addr, unsigned long size, pgprot_t prot)
 	/*
 	 * Ok, go for it..
 	 */
-	idx0 = FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*slot;
-	idx = idx0;
+	idx = FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*slot;
 	while (nrpages > 0) {
 		early_set_fixmap(idx, phys_addr, prot);
 		phys_addr += PAGE_SIZE;
-- 
1.7.1


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