On 09/27/2010 04:26 PM, H. Peter Anvin wrote: > On 09/27/2010 04:20 PM, Yinghai Lu wrote: >> >> x86 own version for find_area? >> > > No, double no. > > Same kind of crap: overloading an interface with semantics it shouldn't > have. The right thing is to introduce a new interface with carries the > explicitly needed policy with it... e.g. memblock_find_in_range_lowest(). > > That interface would have the explicit semantics of returning the lowest > possible address, as opposed to any suitable address (which may change > if policy requirements change.) > > The other question is why does kexec need this in the first place? Is > this due to a design bug in kexec or is there some fundamental reason > for this? bzImage is used here. so need range below 4g. Yinghai