From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759102Ab3EZGmi (ORCPT ); Sun, 26 May 2013 02:42:38 -0400 Received: from mail-pa0-f50.google.com ([209.85.220.50]:41713 "EHLO mail-pa0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756984Ab3EZGmf (ORCPT ); Sun, 26 May 2013 02:42:35 -0400 Message-ID: <51A1AECE.9040105@gmail.com> Date: Sun, 26 May 2013 14:42:22 +0800 From: Zhang Yanfei User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.5) Gecko/20120607 Thunderbird/10.0.5 MIME-Version: 1.0 To: "Eric W. Biederman" , Vivek Goyal , Andrew Morton , Benjamin Herrenschmidt , Simon Horman , Paul Mackerras CC: "linux-kernel@vger.kernel.org" , "kexec@lists.infradead.org" Subject: [PATCH v2 5/7] powerpc: Remove savemaxmem parameter setup References: <51A1AC4A.60506@gmail.com> In-Reply-To: <51A1AC4A.60506@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Zhang Yanfei 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 powerpc is read_oldmem interface. Since we have removed read_oldmem, we don't need this parameter anymore. Signed-off-by: Zhang Yanfei Acked-by: "Eric W. Biederman" Cc: Benjamin Herrenschmidt Cc: Paul Mackerras --- arch/powerpc/kernel/crash_dump.c | 10 ---------- 1 files changed, 0 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c index 9ec3fe1..779a78c 100644 --- a/arch/powerpc/kernel/crash_dump.c +++ b/arch/powerpc/kernel/crash_dump.c @@ -69,16 +69,6 @@ void __init setup_kdump_trampoline(void) } #endif /* CONFIG_NONSTATIC_KERNEL */ -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 size_t copy_oldmem_vaddr(void *vaddr, char *buf, size_t csize, unsigned long offset, int userbuf) { -- 1.7.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pd0-f170.google.com ([209.85.192.170]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UgUfS-0001bL-Ty for kexec@lists.infradead.org; Sun, 26 May 2013 06:43:00 +0000 Received: by mail-pd0-f170.google.com with SMTP id x10so5450938pdj.15 for ; Sat, 25 May 2013 23:42:35 -0700 (PDT) Message-ID: <51A1AECE.9040105@gmail.com> Date: Sun, 26 May 2013 14:42:22 +0800 From: Zhang Yanfei MIME-Version: 1.0 Subject: [PATCH v2 5/7] powerpc: Remove savemaxmem parameter setup References: <51A1AC4A.60506@gmail.com> In-Reply-To: <51A1AC4A.60506@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=twosheds.infradead.org@lists.infradead.org To: "Eric W. Biederman" , Vivek Goyal , Andrew Morton , Benjamin Herrenschmidt , Simon Horman , Paul Mackerras Cc: "kexec@lists.infradead.org" , "linux-kernel@vger.kernel.org" From: Zhang Yanfei 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 powerpc is read_oldmem interface. Since we have removed read_oldmem, we don't need this parameter anymore. Signed-off-by: Zhang Yanfei Acked-by: "Eric W. Biederman" Cc: Benjamin Herrenschmidt Cc: Paul Mackerras --- arch/powerpc/kernel/crash_dump.c | 10 ---------- 1 files changed, 0 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c index 9ec3fe1..779a78c 100644 --- a/arch/powerpc/kernel/crash_dump.c +++ b/arch/powerpc/kernel/crash_dump.c @@ -69,16 +69,6 @@ void __init setup_kdump_trampoline(void) } #endif /* CONFIG_NONSTATIC_KERNEL */ -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 size_t copy_oldmem_vaddr(void *vaddr, char *buf, size_t csize, unsigned long offset, int userbuf) { -- 1.7.1 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec