linux-kernel - [PATCH 4/7] mips: Remove savemaxmem parameter setup

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Message-ID: <51A0301C.3020206@gmail.com>
Date:	Sat, 25 May 2013 11:29:32 +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>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Simon Horman <horms@...ge.net.au>
CC:	"kexec@...ts.infradead.org" <kexec@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 4/7] mips: Remove savemaxmem parameter setup

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

saved_max_pfn is used to know the amount of memory that the previous
kernel used. And for powerpc, we set saved_max_pfn by passing the
kernel commandline parameter "savemaxmem=".

The only user of saved_max_pfn in mips is read_oldmem interface.
Since we have removed read_oldmem, so we don't need this parameter
anymore.

Signed-off-by: Zhang Yanfei <zhangyanfei@...fujitsu.com>
Cc: Ralf Baechle <ralf@...ux-mips.org>
---
 arch/mips/kernel/crash_dump.c |   10 ----------
 1 files changed, 0 insertions(+), 10 deletions(-)

diff --git a/arch/mips/kernel/crash_dump.c b/arch/mips/kernel/crash_dump.c
index 3be9e7b..f291cf9 100644
--- a/arch/mips/kernel/crash_dump.c
+++ b/arch/mips/kernel/crash_dump.c
@@ -4,16 +4,6 @@
 #include <asm/uaccess.h>
 #include <linux/slab.h>
 
-static int __init parse_savemaxmem(char *p)
-{
-	if (p)
-		saved_max_pfn = (memparse(p, &p) >> PAGE_SHIFT) - 1;
-
-	return 1;
-}
-__setup("savemaxmem=", parse_savemaxmem);
-
-
 static void *kdump_buf_page;
 
 /**
-- 
1.7.1
--
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