Commit 96083ca1 authored by Pekka Enberg's avatar Pekka Enberg Committed by Ingo Molnar

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: default avatarPekka 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: default avatarIngo Molnar <mingo@elte.hu>
parent 54e63f3a
...@@ -1008,8 +1008,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, ...@@ -1008,8 +1008,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
/* tail is not big page (2M) alignment */ /* tail is not big page (2M) alignment */
start_pfn = pos>>PAGE_SHIFT; start_pfn = pos>>PAGE_SHIFT;
end_pfn = end>>PAGE_SHIFT; end_pfn = end>>PAGE_SHIFT;
if (start_pfn < end_pfn) nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);
nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);
/* try to merge same page size and continuous */ /* try to merge same page size and continuous */
for (i = 0; nr_range > 1 && i < nr_range - 1; i++) { for (i = 0; nr_range > 1 && i < nr_range - 1; i++) {
......
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