On Thu, Mar 30, 2006 at 10:54:59PM +0900, KAMEZAWA Hiroyuki wrote: > On 30 Mar 2006 15:41:33 +0200 > Andi Kleen <ak@xxxxxx> wrote: > > > > > Hi, > > > > I started to implement your suggestion now. > > > > But one problem I noticed and I don't see how the current sparsemem code > > handles correctly is that it makes no attempt to handle hotadd > > areas that cross zone boundaries. Is there code somewhere that rejects > > them? > > > > add_memory() selects a zone which pages are added, before adding memory regardless > of its address. Now this is hard-coded. > > ia64 adds memory to NORMAL. > i386 adds memory to HIGHMEM. > x86_64 adds memory to NORMAL. Yes but what stops ACPI from trying to add memory that crosses a zone? (e.g. from 2GB to 6GB) > > if x86_64 people wants to add memory to DMA32 or some other zone, please add code. I added a check for it in the reserve hotadd code now. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
