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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
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Subject: [PATCH 6/8] ia64 - Specify amount of kernel memory at boot time
Date: Fri,  5 May 2006 18:36:47 +0100 (IST)
Sender: linux-kernel-owner@vger.kernel.org
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This patch adds the kernelcore= parameter for ia64.

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-105_x8664coremem/arch/ia64/kernel/efi.c linux-2.6.17-rc3-mm1-zonesizing-106_ia64coremem/arch/ia64/kernel/efi.c
--- linux-2.6.17-rc3-mm1-zonesizing-105_x8664coremem/arch/ia64/kernel/efi.c	2006-05-03 09:41:30.000000000 +0100
+++ linux-2.6.17-rc3-mm1-zonesizing-106_ia64coremem/arch/ia64/kernel/efi.c	2006-05-04 13:53:14.000000000 +0100
@@ -25,6 +25,7 @@
 #include <linux/types.h>
 #include <linux/time.h>
 #include <linux/efi.h>
+#include <linux/mm.h>
 
 #include <asm/io.h>
 #include <asm/kregs.h>
@@ -420,6 +421,10 @@ efi_init (void)
 			mem_limit = memparse(cp + 4, &cp);
 		} else if (memcmp(cp, "max_addr=", 9) == 0) {
 			max_addr = GRANULEROUNDDOWN(memparse(cp + 9, &cp));
+		} else if (memcmp(cp, "kernelcore=",11) == 0) {
+			unsigned long core_pages;
+			core_pages = memparse(cp+11, &cp) >> PAGE_SHIFT;
+			set_required_kernelcore(core_pages);
 		} else {
 			while (*cp != ' ' && *cp)
 				++cp;