2012/7/7 David Rientjes <rient...@google.com>: > 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.
In my kernel image, __alloc_pages_direct_compact() is not inlined by gcc. So I send this patch. But, currently I think it is not useful, so drop it. Thanks for comments. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/