From: Mel Gorman <mel@csn.ul.ie>
To: linux-mm@kvack.org
Cc: Mel Gorman <mel@csn.ul.ie>,
linux-kernel@vger.kernel.org, lhms-devel@lists.sourceforge.net
Subject: [PATCH 4/8] ppc64 - Specify amount of kernel memory at boot time
Date: Fri, 5 May 2006 18:36:07 +0100 (IST) [thread overview]
Message-ID: <20060505173606.9030.49873.sendpatchset@skynet> (raw)
In-Reply-To: <20060505173446.9030.42837.sendpatchset@skynet>
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);
+ }
}
/*
--
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next prev parent reply other threads:[~2006-05-05 17:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-05 17:34 [PATCH 0/8] Reducing fragmentation using zones v6 Mel Gorman
2006-05-05 17:35 ` [PATCH 1/8] Add __GFP_EASYRCLM flag and update callers Mel Gorman
2006-05-05 17:35 ` [PATCH 2/8] Create the ZONE_EASYRCLM zone Mel Gorman
2006-05-05 17:35 ` [PATCH 3/8] x86 - Specify amount of kernel memory at boot time Mel Gorman
2006-05-05 17:36 ` Mel Gorman [this message]
2006-05-05 17:36 ` [PATCH 5/8] x86_64 " Mel Gorman
2006-05-05 17:36 ` [PATCH 6/8] ia64 " Mel Gorman
2006-05-05 17:37 ` [PATCH 7/8] Allow HugeTLB allocations to use ZONE_EASYRCLM Mel Gorman
2006-05-05 17:37 ` [PATCH 8/8] Add documentation for extra boot parameters Mel Gorman
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