From: Herbert Xu <herb...@gondor.apana.org.au> Date: Tue, 7 Feb 2017 20:38:27 +0800
> This series tackles the problem of table allocation failures during > insertion. The issue is that we cannot vmalloc during insertion. > This series deals with this by introducing nested tables. > > The first two patches removes manual hash table walks which cannot > work on a nested table. > > The final patch introduces nested tables. > > I've tested this with test_rhashtable and it appears to work. rhashtable is indeed getting quite complex, but I understand your motivation for doing this work. I also agree that only true OOM situations should cause insertion failures. Given the delicate nature of change rhashtable this way, I'm going to let these changes sit for a couple days before applying them. Thanks Herbert.