[tip:x86/xen] xen: reserve Xen start_info rather than e820 reserving

[tip-bot for Jeremy Fitzhardinge]

Commit-ID:  6b2e8523df148c15ea5abf13075026fb8bdb3f86
Gitweb:     http://git.kernel.org/tip/6b2e8523df148c15ea5abf13075026fb8bdb3f86
Author:     Jeremy Fitzhardinge <jeremy@xxxxxxxx>
AuthorDate: Thu, 7 May 2009 11:56:49 -0700
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Fri, 8 May 2009 10:51:03 +0200

xen: reserve Xen start_info rather than e820 reserving

Use reserve_early rather than e820 reservations for Xen start info and mfn->pfn
table, so that the memory use is a bit more self-documenting.

[ Impact: cleanup ]

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
LKML-Reference: <4A032EF1.6070708@xxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
 arch/x86/xen/setup.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 15c6c68..ad0047f 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -61,9 +61,9 @@ char * __init xen_memory_setup(void)
 	 *  - xen_start_info
 	 * See comment above "struct start_info" in <xen/interface/xen.h>
 	 */
-	e820_add_region(__pa(xen_start_info->mfn_list),
-			xen_start_info->pt_base - xen_start_info->mfn_list,
-			E820_RESERVED);
+	reserve_early(__pa(xen_start_info->mfn_list),
+		      __pa(xen_start_info->pt_base),
+			"XEN START INFO");
 
 	sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
 
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