linux-kernel - [PATCH v2 7/7] s390: Remove setting for saved_max

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Message-ID: <51A1AF93.70202@gmail.com>
Date:	Sun, 26 May 2013 14:45:39 +0800
From:	Zhang Yanfei <zhangyanfei.yes@...il.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Simon Horman <horms@...ge.net.au>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Michael Holzheu <holzheu@...ux.vnet.ibm.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kexec@...ts.infradead.org" <kexec@...ts.infradead.org>
Subject: [PATCH v2 7/7] s390: Remove setting for saved_max_pfn

From: Zhang Yanfei <zhangyanfei@...fujitsu.com>

The only user of saved_max_pfn in s390 is read_oldmem interface but we
have removed that interface, so saved_max_pfn is now unneeded in s390,
and we needn't set it anymore.

Signed-off-by: Zhang Yanfei <zhangyanfei@...fujitsu.com>
Acked-by: "Eric W. Biederman" <ebiederm@...ssion.com>
Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
Cc: Heiko Carstens <heiko.carstens@...ibm.com>
Cc: Michael Holzheu <holzheu@...ux.vnet.ibm.com>
---
 arch/s390/kernel/setup.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 0a49095..497451e 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -719,10 +719,6 @@ static void reserve_oldmem(void)
 	}
 	create_mem_hole(memory_chunk, OLDMEM_BASE, OLDMEM_SIZE);
 	create_mem_hole(memory_chunk, OLDMEM_SIZE, real_size - OLDMEM_SIZE);
-	if (OLDMEM_BASE + OLDMEM_SIZE == real_size)
-		saved_max_pfn = PFN_DOWN(OLDMEM_BASE) - 1;
-	else
-		saved_max_pfn = PFN_DOWN(real_size) - 1;
 #endif
 }
 
-- 
1.7.1

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