Re: [PATCH] mwifiex: add __GFP_REPEAT to skb allocation call

From: James Cameron
Date: Tue Mar 29 2016 - 01:38:17 EST


On Tue, Mar 29, 2016 at 12:47:20PM +0800, Wei-Ning Huang wrote:
> "single skb allocation failure" happens when system is under heavy
> memory pressure. Add __GFP_REPEAT to skb allocation call so kernel
> attempts to reclaim pages and retry the allocation.

Oh, that's interesting, we're back to this symptom again.

Nice to see this fix.

Heavy memory pressure on 3.5 caused dev_alloc_skb failure in this
driver. Tracked at OLPC as #12694.

--
James Cameron
http://quozl.netrek.org/