x86: remove unnecessary save_mr() sanity check
Impact: cleanup The save_mr() function already checks that start_pfn is less than end_pfn so we can remove the unnecessary check which reduces the diff between the 32-bit and the 64-bit versions of init_memory_mapping(). Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Yinghai Lu <yinghai@kernel.org> LKML-Reference: <1236257708-27269-6-git-send-email-penberg@cs.helsinki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -1008,8 +1008,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
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/* tail is not big page (2M) alignment */
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start_pfn = pos>>PAGE_SHIFT;
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end_pfn = end>>PAGE_SHIFT;
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if (start_pfn < end_pfn)
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nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);
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nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);
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/* try to merge same page size and continuous */
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for (i = 0; nr_range > 1 && i < nr_range - 1; i++) {
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