On 10/07/2013 06:28 AM, Mel Gorman wrote: > THP migrations are serialised by the page lock but on its own that does > not prevent THP splits. If the page is split during THP migration then > the pmd_same checks will prevent page table corruption but the unlock page > and other fix-ups potentially will cause corruption. This patch takes the > anon_vma lock to prevent parallel splits during migration. > > Cc: stable <[email protected]> > Signed-off-by: Mel Gorman <[email protected]>
Acked-by: Rik van Riel <[email protected]> -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
