Benjamin Herrenschmidt writes: > When you do an lmb_add you should probably also do an lmb_analyze to > update the total memory count etc... > > That leads to some interesting issues such as the LMB stuff wasn't > really meant to be dynamically modified after boot, and thus the kernel > has no locks in there. That can be an issue... > > Paul, any thoughts here ? Should we add a lock ? That would mean being > careful as the LMB stuff can be called very early, and spinlock wants > things like PACA and possibly lockdep to be around..
Either that, or we give in and use iomem_resource to track where system RAM is, as well as the other things in the physical address space, like other architectures do... Paul. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
