On Tue, 6 Jan 2015, Andreas Mohr wrote: > by merely queuing them into a simple submission queue > which then will be delay-applied by main-context > either once main-context enters a certain "quiet" state (e.g. context switch?), > or once main-context needs to actively take into account This is basically the same approach as you mentioned before and would multiply the resources needed. I think we are close to be able to avoid allocations from interrupt contexts. Someone would need to perform an audit to see what is left to be done. If so then lots of allocator paths both in the page allocator and slab allocator can be dramatically simplified. -- 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>