On Fri, 23 Mar 2018 08:58:45 +0800 Baoquan He <b...@redhat.com> wrote:
> > erk, this is pretty nasty. Isn't there a better way :( > > Yes, this is not efficient. > > In struct resource{}, ->sibling list is a singly linked list. I ever > thought about changing it to doubly linked list, yet not very sure if > it will have effect since struct resource is a core data structure. Switching to a list_head sounds OK. The only issue really is memory consumption and surely we don't have tens of thousands of struct resources floating about(?). Or if we do have a lot, the machine is presumably huge (hope?). > AKASHI's method is more acceptable, and currently only kexec has this > requirement. What method is that?