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From: Johannes Berg <johannes@sipsolutions.net>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Marc MERLIN <marc@merlins.org>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Pavel Machek <pavel@ucw.cz>, David Rientjes <rientjes@google.com>,
	sgruszka@redhat.com, linux-wireless@vger.kernel.org,
	wey-yi.w.guy@intel.com, ilw@linux.intel.com,
	Andrew Morton <akpm@osdl.org>, Mel Gorman <mgorman@suse.de>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: iwl3945: order 5 allocation during ifconfig up; vm problem?
Date: Mon, 24 Sep 2012 11:14:49 +0200	[thread overview]
Message-ID: <1348478089.10257.3.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <20120924090353.GA5368@mwanda>

On Mon, 2012-09-24 at 12:03 +0300, Dan Carpenter wrote:

> > > > iwl_alloc_ucode() -> iwl_alloc_fw_desc() -> dma_alloc_coherent()
> 
> I'm filing bugzilla entries for regressions.  What's the status on
> this?

It looks like a VM change caused it, but I merged a patch for -next to
not require such large DMA allocations any more.

johannes


WARNING: multiple messages have this Message-ID (diff)
From: Johannes Berg <johannes@sipsolutions.net>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Marc MERLIN <marc@merlins.org>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Pavel Machek <pavel@ucw.cz>, David Rientjes <rientjes@google.com>,
	sgruszka@redhat.com, linux-wireless@vger.kernel.org,
	wey-yi.w.guy@intel.com, ilw@linux.intel.com,
	Andrew Morton <akpm@osdl.org>, Mel Gorman <mgorman@suse.de>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: iwl3945: order 5 allocation during ifconfig up; vm problem?
Date: Mon, 24 Sep 2012 11:14:49 +0200	[thread overview]
Message-ID: <1348478089.10257.3.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <20120924090353.GA5368@mwanda>

On Mon, 2012-09-24 at 12:03 +0300, Dan Carpenter wrote:

> > > > iwl_alloc_ucode() -> iwl_alloc_fw_desc() -> dma_alloc_coherent()
> 
> I'm filing bugzilla entries for regressions.  What's the status on
> this?

It looks like a VM change caused it, but I merged a patch for -next to
not require such large DMA allocations any more.

johannes

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  reply	other threads:[~2012-09-24  9:14 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-09 21:32 iwl3945: order 5 allocation during ifconfig up; vm problem? Pavel Machek
2012-09-09 21:32 ` Pavel Machek
2012-09-09 22:40 ` David Rientjes
2012-09-09 22:40   ` David Rientjes
2012-09-10 11:11   ` Pavel Machek
2012-09-10 11:11     ` Pavel Machek
2012-09-11 23:25     ` Andrew Morton
2012-09-11 23:25       ` Andrew Morton
2012-09-12  5:16       ` Eric Dumazet
2012-09-12  5:16         ` Eric Dumazet
2012-09-12  5:57         ` Marc MERLIN
2012-09-12  5:57           ` Marc MERLIN
2012-09-12  6:54           ` Johannes Berg
2012-09-12  6:54             ` Johannes Berg
2012-09-24  9:03             ` Dan Carpenter
2012-09-24  9:03               ` Dan Carpenter
2012-09-24  9:14               ` Johannes Berg [this message]
2012-09-24  9:14                 ` Johannes Berg
2012-09-12  9:22       ` Stanislaw Gruszka
2012-09-12  9:22         ` Stanislaw Gruszka
2012-09-12 10:18       ` Mel Gorman
2012-09-12 10:18         ` Mel Gorman
2012-10-03 11:37         ` Stanislaw Gruszka
2012-10-03 11:37           ` Stanislaw Gruszka
2012-10-03 18:07           ` David Rientjes
2012-10-03 18:07             ` David Rientjes
2012-10-05  8:37             ` Stanislaw Gruszka
2012-10-05  8:37               ` Stanislaw Gruszka
2012-10-06 12:08               ` Pavel Machek
2012-10-06 12:08                 ` Pavel Machek
2012-10-08 15:38                 ` Stanislaw Gruszka
2012-10-08 15:38                   ` Stanislaw Gruszka

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