Re: [PATCH 0/4] net: mitigating kmem_cache slowpath for network stack in NAPI context

2015-10-26 Thread David Miller
From: Jesper Dangaard Brouer Date: Fri, 23 Oct 2015 14:46:01 +0200 > It have been a long road. Back in July 2014 I realized that network > stack were hitting the kmem_cache/SLUB slowpath when freeing SKBs, but > had no solution. In Dec 2014 I had implemented a solution called

[PATCH 0/4] net: mitigating kmem_cache slowpath for network stack in NAPI context

2015-10-23 Thread Jesper Dangaard Brouer
It have been a long road. Back in July 2014 I realized that network stack were hitting the kmem_cache/SLUB slowpath when freeing SKBs, but had no solution. In Dec 2014 I had implemented a solution called qmempool[1], that showed it was possible to improve this, but got rejected due to being a