On Thu, 29 Jan 2015, Vladimir Davydov wrote: > Come to think of it, do we really need to optimize slab placement in > kmem_cache_shrink? None of its users except shrink_store expects it - > they just want to purge the cache before destruction, that's it. May be, > we'd better move slab placement optimization to a separate SLUB's > private function that would be called only by shrink_store, where we can > put up with kmalloc failures? Christoph, what do you think? The slabinfo tool invokes kmem_cache_shrink to optimize placement. Run slabinfo -s which can then be used to reduce the fragmentation. -- 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>