Am 16.03.2015 um 12:00 schrieb Kirill A. Shutemov: > On Mon, Mar 16, 2015 at 09:37:01AM +0100, Christian Borntraeger wrote: >> while debugging a memory management problem it helped a lot to >> get a system dump as early as possible for bad page states. >> >> Lets assume that if panic_on_oops is set then the system should >> not continue with broken mm data structures. > > bed_pte is not an oops. I know that this is not an oops, but semantically it is like one. I certainly want to a way to hard stop the system if something like that happens. Would something like panic_on_mm_error be better? > > Probably we should consider putting VM_BUG() at the end of these > functions instead. That is probably also a workable solution if I can reproduce the issue on my system, but VM_BUG defaults to off for many production systems (RHEL, SLES..) Any other suggestion? Christian -- 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>