On Mon 13-02-17 16:42:42, peter enderborg wrote: > On 02/10/2017 11:27 AM, Michal Hocko wrote: > > [I have only now see this cover - it answers some of the questions I've > > had to specific patches. It would be really great if you could use git > > send-email to post patch series - it just does the right thing(tm)] > > > > On Thu 09-02-17 14:21:40, peter enderborg wrote: > >> Lowmemorykiller efficiency problem and a solution. > >> > >> Lowmemorykiller in android has a severe efficiency problem. The basic > >> problem is that the registered shrinker gets called very often without > >> anything actually happening. > > Which is an inherent problem because lkml doesn't belong to shrinkers > > infrastructure. > > Not really what this patch address. I see it as a problem with shrinker > that there no slow-path-free (scan/count) where it should belong. > This patch address a specific problem where lot of cpu are wasted > in low memory conditions. Let me repeat. The specific problem you are trying to solve is _inherent_ to how the lmk is designed. Full stop. -- Michal Hocko SUSE Labs -- 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>
