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@@ -146,8 +146,9 @@ static void __iomem *__ioremap(resource_size_t phys_addr, unsigned long size,
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/*
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* Don't allow anybody to remap normal RAM that we're using..
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*/
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- for (pfn = phys_addr >> PAGE_SHIFT; pfn < max_pfn_mapped &&
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- (pfn << PAGE_SHIFT) < last_addr; pfn++) {
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+ for (pfn = phys_addr >> PAGE_SHIFT;
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+ (pfn << PAGE_SHIFT) < last_addr; pfn++) {
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+
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if (page_is_ram(pfn) && pfn_valid(pfn) &&
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!PageReserved(pfn_to_page(pfn)))
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return NULL;
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