On 10/20/2016 11:24 PM, Liang Li wrote: > Expose the function to get the max pfn, so it can be used in the > virtio-balloon device driver. Simply include the 'linux/bootmem.h' > is not enough, if the device driver is built to a module, directly > refer the max_pfn lead to build failed. I'm not sure the rest of the set is worth reviewing. I think a lot of it will change pretty fundamentally once you have those improved data structures in place. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>