smpboot: fix cachesize comparison in smp_tune_scheduling()
Jarek Poplawski noted that boot_cpu_data.x86_cache_size is signed int and can be < 0 too. In fact we test for it. Except we assigned it to an unsigned value.. Cc: Jarek Poplawski <jarkao2@o2.pl> Cc: Ingo Molnar <mingo@elte.hu> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Andi Kleen <ak@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -943,10 +943,9 @@ exit:
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static void smp_tune_scheduling(void)
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{
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unsigned long cachesize; /* kB */
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if (cpu_khz) {
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cachesize = boot_cpu_data.x86_cache_size;
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/* cache size in kB */
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long cachesize = boot_cpu_data.x86_cache_size;
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if (cachesize > 0)
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max_cache_size = cachesize * 1024;
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