On 10/20/2016 11:24 PM, Liang Li wrote: > Will allow faster notifications using a bitmap down the road. > balloon_pfn_to_page() can be removed because it's useless. This is a pretty terse description of what's going on here. Could you try to elaborate a bit? What *is* the current approach? Why does it not work going forward? What do you propose instead? Why is it better? -- 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>