On Tue, Oct 28, 2014 at 9:47 PM, Matt Mullins <mmullins@xxxxxxx> wrote: > On Sat, Sep 27, 2014 at 11:15:16PM +0400, Konstantin Khlebnikov wrote: >> This patch fixes all of them. > > It seems to have rendered virtio_balloon completely ineffective without > CONFIG_COMPACTION and CONFIG_BALLOON_COMPACTION, even for the case that I'm > expanding the memory available to my VM. What do you mean by ineffective? That it cannot handle fragmentation? I saw that without compaction ballooning works even better: it allocates pages without GFP_MOVABLE and buddy allocator returns much less scattered pages. > > Was this intended? Should Kconfig be updated so that VIRTIO_BALLOON depends on > BALLOON_COMPACTION now? Nope, this is independent feature. -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html