Messages in this thread | | | Date | Mon, 14 May 2007 09:29:15 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [PATCH 0/5] make slab gfp fair |
| |
On Mon, 14 May 2007, Matt Mackall wrote:
> privileged thread unprivileged greedy process > kmem_cache_alloc(...) > adds new slab page from lowmem pool
Yes but it returns an object for the privileged thread. Is that not enough?
> do_io() > kmem_cache_alloc(...) > kmem_cache_alloc(...) > kmem_cache_alloc(...) > kmem_cache_alloc(...) > kmem_cache_alloc(...) > ... > eats it all > kmem_cache_alloc(...) -> ENOMEM > who ate my donuts?! > > But I think this solution is somehow overkill. If we only care about > this issue in the OOM avoidance case, then our rank reduces to a > boolean. > > -- > Mathematics is the supreme nostalgia of our time. > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |