On Tue, May 28, 2013 at 02:51:21PM -0700, Dave Hansen wrote: > I was rebasing my mapping->radix_tree lock batching patches on top of > Mel's stuff. It looks like something is jumping the gun and freeing a > page before it has been written out. Somebody probably did an extra > put_page() or something. > > I'm running 3.10.0-rc2-mm1-00322-g8d4c612 from > > git://git.cmpxchg.org/linux-mmotm.git > > This is pretty reproducible. I'll go try and test plain 3.10-rc2 next > to make sure it's not coming from Linus's stuff. > Patch 1 from the follow-up series "mm: vmscan: Block kswapd if it is encountering pages under writeback -fix" The rest of that follow-up series needs further work and I'm still working on it but patch 1 is what fixes this particular problem. Changelog says why. -- Mel Gorman SUSE Labs -- 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>