Messages in this thread Patch in this message |  | | | From | Mel Gorman <> | | Subject | [PATCH 4/8] ppc64 - Specify amount of kernel memory at boot time | | Date | Fri, 5 May 2006 18:36:07 +0100 (IST) |
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This patch adds the kernelcore= parameter for ppc64.
Signed-off-by: Mel Gorman <mel@csn.ul.ie> 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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