Messages in this thread | | | Date | Sat, 7 Jul 2012 01:40:23 -0700 (PDT) | From | David Rientjes <> | Subject | Re: [PATCH] mm: don't invoke __alloc_pages_direct_compact when order 0 |
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On Sat, 7 Jul 2012, Joonsoo Kim wrote:
> __alloc_pages_direct_compact has many arguments so invoking it is very costly. > And in almost invoking case, order is 0, so return immediately. >
If "zero cost" is "very costly", then this might make sense.
__alloc_pages_direct_compact() is inlined by gcc.
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