On Thu, 2011-05-12 at 11:27 -0500, Christoph Lameter wrote: > On Thu, 12 May 2011, James Bottomley wrote: > > > However, the fact remains that this seems to be a slub problem and it > > needs fixing. > > Why are you so fixed on slub in these matters? Because, as has been hashed out in the thread, changing SLUB to SLAB makes the hang go away. > Its an key component but > there is a high interaction with other subsystems. There was no recent > change in slub that changed the order of allocations. There were changes > affecting the reclaim logic. Slub has been working just fine with the > existing allocation schemes for a long time. So suggest an alternative root cause and a test to expose it. James -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html