On Fri, Apr 06, 2012 at 06:29:40PM +0900, HATAYAMA Daisuke wrote: [..] > I agree. On the other hand, there is one more thing to consider. The > value of order is in private member of the page descripter. Now > there's no information for private member in VMCOREINFO. If we choose > this method and delete the current one, it's necessary to prepare > vmlinux file for old kernels. What information do you need to access "private" member of "struct page". offset? Can't we extend VMCOREINFO to export this info too? Thanks Vivek