On Sat, 3 Mar 2018 01:12:26 +0100 Daniel Vacek <neelx@xxxxxxxxxx> wrote: > Commit b92df1de5d28 ("mm: page_alloc: skip over regions of invalid pfns > where possible") introduced a bug where move_freepages() triggers a > VM_BUG_ON() on uninitialized page structure due to pageblock alignment. b92df1de5d28 was merged a year ago. Can you suggest why this hasn't been reported before now? This makes me wonder whether a -stable backport is really needed... -- 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>