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| author | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-03-05 14:54:57 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-05 14:17:13 +0100 |
| commit | 96083ca11bc85265c7ef9e791a57e3514d8f605a (patch) | |
| tree | 212b9549b62465687bae7ea6d83b3597b74a9551 | |
| parent | 54e63f3a4282a8bc5b39db29095f076ece2b1073 (diff) | |
| download | blackbird-op-linux-96083ca11bc85265c7ef9e791a57e3514d8f605a.tar.gz blackbird-op-linux-96083ca11bc85265c7ef9e791a57e3514d8f605a.zip | |
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>
| -rw-r--r-- | arch/x86/mm/init_32.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index eb98cb90cb39..559715b488bb 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -1008,8 +1008,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, /* tail is not big page (2M) alignment */ start_pfn = pos>>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 */ for (i = 0; nr_range > 1 && i < nr_range - 1; i++) { |
