Hello, Glauber. On Wed, Sep 26, 2012 at 10:36 AM, Glauber Costa <glommer@xxxxxxxxxxxxx> wrote: > This was discussed multiple times. Our interest is to preserve existing > deployed setup, that were tuned in a world where kmem didn't exist. > Because we also feed kmem to the user counter, this may very well > disrupt their setup. So, that can be served by .kmem_accounted at root, no? > User memory, unlike kernel memory, may very well be totally in control > of the userspace application, so it is not unreasonable to believe that > extra pages appearing in a new kernel version may break them. > > It is actually a much worse compatibility problem than flipping > hierarchy, in comparison Again, what's wrong with one switch at the root? Thanks. -- tejun -- 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>