From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Cameron Subject: Re: [PATCH] mwifiex: add __GFP_REPEAT to skb allocation call Date: Tue, 29 Mar 2016 16:31:03 +1100 Message-ID: <20160329053103.GH32709@us.netrek.org> References: <1459226840-36287-1-git-send-email-wnhuang@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, LKML , Amitkumar Karwar , Nishant Sarmukadam , snanda-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, kvalo-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Wei-Ning Huang Return-path: Content-Disposition: inline In-Reply-To: <1459226840-36287-1-git-send-email-wnhuang-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org 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/ -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html