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[PATCH] x86-64: Fix partial page check to ensure unusable memory is not being marked usable.
Fix partial page check in e820_register_active_regions to ensure partial pages are not being marked as active in the memory pool. Signed-off-by: Aaron Durbin <adurbin@google.com> Signed-off-by: Andi Kleen <ak@suse.de>
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@ -278,7 +278,7 @@ e820_register_active_regions(int nid, unsigned long start_pfn,
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>> PAGE_SHIFT;
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/* Skip map entries smaller than a page */
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if (ei_startpfn > ei_endpfn)
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if (ei_startpfn >= ei_endpfn)
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continue;
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/* Check if end_pfn_map should be updated */
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