From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mel Gorman Message-Id: <20060505173606.9030.49873.sendpatchset@skynet> In-Reply-To: <20060505173446.9030.42837.sendpatchset@skynet> References: <20060505173446.9030.42837.sendpatchset@skynet> Subject: [PATCH 4/8] ppc64 - Specify amount of kernel memory at boot time Date: Fri, 5 May 2006 18:36:07 +0100 (IST) Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm@kvack.org Cc: Mel Gorman , linux-kernel@vger.kernel.org, lhms-devel@lists.sourceforge.net List-ID: This patch adds the kernelcore= parameter for ppc64. Signed-off-by: Mel Gorman diff -rup -X /usr/src/patchset-0.6/bin//dontdiff linux-2.6.17-rc3-mm1-zonesizing-103_x86coremem/arch/powerpc/kernel/prom.c linux-2.6.17-rc3-mm1-zonesizing-104_ppc64coremem/arch/powerpc/kernel/prom.c --- linux-2.6.17-rc3-mm1-zonesizing-103_x86coremem/arch/powerpc/kernel/prom.c 2006-05-03 09:41:31.000000000 +0100 +++ linux-2.6.17-rc3-mm1-zonesizing-104_ppc64coremem/arch/powerpc/kernel/prom.c 2006-05-03 09:48:06.000000000 +0100 @@ -1064,6 +1064,15 @@ static int __init early_init_dt_scan_cho } } + /* Check if ZONE_EASYRCLM should be populated */ + if (strstr(cmd_line, "kernelcore=")) { + unsigned long core_pages; + char *opt = strstr(cmd_line, "kernelcore="); + opt += 11; + core_pages = memparse(opt, &opt) >> PAGE_SHIFT; + set_required_kernelcore(core_pages); + } + /* break now */ return 1; } diff -rup -X /usr/src/patchset-0.6/bin//dontdiff linux-2.6.17-rc3-mm1-zonesizing-103_x86coremem/arch/ppc/mm/init.c linux-2.6.17-rc3-mm1-zonesizing-104_ppc64coremem/arch/ppc/mm/init.c --- linux-2.6.17-rc3-mm1-zonesizing-103_x86coremem/arch/ppc/mm/init.c 2006-05-03 09:42:16.000000000 +0100 +++ linux-2.6.17-rc3-mm1-zonesizing-104_ppc64coremem/arch/ppc/mm/init.c 2006-05-03 09:48:06.000000000 +0100 @@ -213,6 +213,15 @@ void MMU_setup(void) } __max_memory = maxmem; } + + /* Check if ZONE_EASYRCLM should be populated */ + if (strstr(cmd_line, "kernelcore=")) { + unsigned long core_pages; + char *opt = strstr(cmd_line, "kernelcore="); + opt += 11; + core_pages = memparse(opt, &opt) >> PAGE_SHIFT; + set_required_kernelcore(core_pages); + } } /* -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org