From db3660c1905293b91653e07f7857576df71ebf28 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 3 Jun 2008 01:43:24 -0700
Subject: [PATCH] x86: remove all active memory ranges before registering them
again after trimming - 64bit
this way we keep the early_node_map all right.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/kernel/setup_64.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index adf3b04dc582..26d60cc0e370 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -368,6 +368,7 @@ void __init setup_arch(char **cmdline_p)
/* update e820 for memory not covered by WB MTRRs */
mtrr_bp_init();
if (mtrr_trim_uncached_memory(end_pfn)) {
+ remove_all_active_ranges();
e820_register_active_regions(0, 0, -1UL);
end_pfn = e820_end_of_ram();
}
--
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