On 04/02, Frantisek Hrbata wrote: > > Meaning there is a possibility to use mmap > on /dev/mem and cause system panic. It's probably not that serious, because > access to /dev/mem is limited and the system has to have panic_on_oops set, but > still I think we should check this and return error. Personally I agree. Even if panic_on_oops == F, do_page_fault(PF_RSVD) leading to pgtable_bad() doesn't look good. Oleg. -- 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>