> Well I disagree, the reason why the test fails is that MADV_HWPOISON on > not-faulted private mappings fails silently, which is a bug, albeit > minor one. If something is not implemented, it should report a failure, > the usual error return would be EINVAL in this case. > > It appears that it fails with EBUSY on first try on newer kernels, but > still fails silently when we try for a second time. > > Why can't we simply check if the page is faulted or not and return error > in the latter case? It's a debug interface. You're supposed to know what you're doing. -Andi -- 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>
