> > > I got this bug while migrating pages only a few times > > > via memory_migrate of cpuset. > > > > > > Unfortunately, even if this patch is applied, > > > I got bad_page problem after hundreds times of page migration > > > (I'll report it in another mail). > > > But I believe something like this patch is needed anyway. > > > > > > > I got bad_page after hundreds times of page migration. > > It seems that a locked page is being freed. > > > Good catch, and I think your investigation in the last e-mail was correct. > I'd like to dig this...but it seems some kind of big fix is necessary. > Did this happen under page-migraion by cpuset-task-move test ? Indeed! I guess lee's unevictable infrastructure and nick's specurative pagecache is conflicted. I'm investigating deeply now. -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html