Hi Mike. On Fri, Dec 16, 2016 at 10:35:25AM -0800, Mike Kravetz wrote: > Add new fields to the mm_context structure to support shared context. > Instead of a simple context ID, add a pointer to a structure with a > reference count. This is needed as multiple tasks will share the > context ID. What are the benefits with the shared_mmu_ctx struct? It does not save any space in mm_context_t, and the CPU only supports one extra context. So it looks like over-engineering with all the extra administration required to handle it with refcount, poitners etc. what do I miss? Sam -- 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>