From: James Cameron <quozl@laptop.org>
To: Wei-Ning Huang <wnhuang@chromium.org>
Cc: linux-wireless@vger.kernel.org,
LKML <linux-kernel@vger.kernel.org>,
Amitkumar Karwar <akarwar@marvell.com>,
Nishant Sarmukadam <nishants@marvell.com>,
snanda@google.com, kvalo@codeaurora.org, netdev@vger.kernel.org
Subject: Re: [PATCH] mwifiex: add __GFP_REPEAT to skb allocation call
Date: Tue, 29 Mar 2016 16:31:03 +1100 [thread overview]
Message-ID: <20160329053103.GH32709@us.netrek.org> (raw)
In-Reply-To: <1459226840-36287-1-git-send-email-wnhuang@chromium.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/
next prev parent reply other threads:[~2016-03-29 5:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-29 4:47 [PATCH] mwifiex: add __GFP_REPEAT to skb allocation call Wei-Ning Huang
2016-03-29 5:31 ` James Cameron [this message]
2016-03-29 8:37 ` Kalle Valo
2016-03-29 9:27 ` Wei-Ning Huang
2016-03-29 10:51 ` Amitkumar Karwar
2016-03-29 12:58 ` Eric Dumazet
2016-04-05 5:48 ` Amitkumar Karwar
2016-04-05 16:05 ` David Laight
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