On May 14, 2013, at 2:27 AM, Gleb Natapov wrote: >> >> >> +EXPORT_SYMBOL(min_low_pfn); /* defined by bootmem.c, but not exported by generic code */ >> + > What you need this for? It is not used anywhere in this patch and by > mips/kvm code in general. I did some digging around myself, since the linker keeps complaining that it can't find min_low_pfn when compiling the KVM module. It seems that it is indirectly pulled in by the cache management functions. Regards Sanjay