On Tue, Feb 04, 2014 at 11:48:45AM +0000, David Vrabel wrote: > On 04/02/14 11:44, Mel Gorman wrote: > > Steven Noonan forwarded a users report where they had a problem starting > > vsftpd on a Xen paravirtualized guest, with this in dmesg: > > > [...] > > > > The issue could not be reproduced under an HVM instance with the same kernel, > > so it appears to be exclusive to paravirtual Xen guests. He bisected the > > problem to commit 1667918b (mm: numa: clear numa hinting information on > > mprotect) that was also included in 3.12-stable. > > > > The problem was related to how xen translates ptes because it was not > > accounting for the _PAGE_NUMA bit. This patch splits pte_present to add > > a pteval_present helper for use by xen so both bare metal and xen use > > the same code when checking if a PTE is present. > > Reviewed-by: David Vrabel <david.vrabel@xxxxxxxxxx> Thank you for fixing it! Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> I can ingest it through the Xen tree for rc2. Or let Linus handle it if he prefers it. > > Thanks. > > David -- 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>