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x86: remove all active memory ranges before registering them again after trimming - 64bit

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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>
This commit is contained in:
Yinghai Lu
2008-06-03 01:43:24 -07:00
committed by Ingo Molnar
parent 2377494285
commit db3660c190
1 changed files with 1 additions and 0 deletions
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arch/x86/kernel/setup_64.c
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@@ -368,6 +368,7 @@ void __init setup_arch(char **cmdline_p)
/* update e820 for memory not covered by WB MTRRs */ /* update e820 for memory not covered by WB MTRRs */
mtrr_bp_init(); mtrr_bp_init();
if (mtrr_trim_uncached_memory(end_pfn)) { if (mtrr_trim_uncached_memory(end_pfn)) {
remove_all_active_ranges();
e820_register_active_regions(0, 0, -1UL); e820_register_active_regions(0, 0, -1UL);
end_pfn = e820_end_of_ram(); end_pfn = e820_end_of_ram();
} }