Re: dma_alloc_coherent fragmentation

2009-04-22 Thread pramod gurav
Hi Nishant, I am facing the same problem to allocate a chunk of 4MB on omap3evm using dma_alloc_coherent. I used the test driver mentioned here http://www.mail-archive.com/linux-omap@vger.kernel.org/msg11074.html I applied the patch for ioremap(24f11ec001920f1cfaeeed8e8b55725d900bbb56) suggested

RE: dma_alloc_coherent fragmentation

2009-04-22 Thread Shilimkar, Santosh
: dma_alloc_coherent fragmentation Hi Nishant, I am facing the same problem to allocate a chunk of 4MB on omap3evm using dma_alloc_coherent. I used the test driver mentioned here http://www.mail-archive.com/linux-omap@vger.kernel.org/msg11074.html I applied the patch for ioremap

Re: dma_alloc_coherent fragmentation

2009-04-22 Thread pramod gurav
for such usecases. -Original Message- From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap-ow...@vger.kernel.org] On Behalf Of pramod gurav Sent: Wednesday, April 22, 2009 1:17 PM To: Menon, Nishanth Cc: linux-omap@vger.kernel.org Subject: Re: dma_alloc_coherent fragmentation Hi Nishant, I

RE: dma_alloc_coherent fragmentation

2009-04-22 Thread Shilimkar, Santosh
(drivers\usb\host): Regards, Santosh -Original Message- From: pramod gurav [mailto:pramodfo...@gmail.com] Sent: Wednesday, April 22, 2009 1:54 PM To: Shilimkar, Santosh Cc: Menon, Nishanth; linux-omap@vger.kernel.org Subject: Re: dma_alloc_coherent fragmentation Thanks for the quick

RE: dma_alloc_coherent fragmentation

2009-04-22 Thread Gupta, Ramesh
Hi Pramod, -Original Message- From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap-ow...@vger.kernel.org] On Behalf Of pramod gurav Sent: Wednesday, April 22, 2009 1:17 PM To: Menon, Nishanth Cc: linux-omap@vger.kernel.org Subject: Re: dma_alloc_coherent fragmentation Hi

Re: dma_alloc_coherent fragmentation

2009-04-22 Thread pramod gurav
: Wednesday, April 22, 2009 1:17 PM To: Menon, Nishanth Cc: linux-omap@vger.kernel.org Subject: Re: dma_alloc_coherent fragmentation Hi Nishant, I am facing the same problem to allocate a chunk of 4MB on omap3evm using dma_alloc_coherent. I used the test driver mentioned here http://www.mail

RE: dma_alloc_coherent fragmentation

2009-04-22 Thread Shilimkar, Santosh
Message- From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap-ow...@vger.kernel.org] On Behalf Of pramod gurav Sent: Wednesday, April 22, 2009 3:14 PM To: Gupta, Ramesh Cc: Menon, Nishanth; linux-omap@vger.kernel.org Subject: Re: dma_alloc_coherent fragmentation Hi Ramesh

Re: dma_alloc_coherent fragmentation

2009-03-19 Thread Hiroshi DOYU
Hi Nishant, From: ext Kamat, Nishant nska...@ti.com Subject: dma_alloc_coherent fragmentation Date: Wed, 18 Mar 2009 14:03:45 +0100 Forwarding on behalf of Nishanth Menon: -Original Message- From: Menon, Nishanth Sent: Tuesday, March 17, 2009 8:17 AM To:

RE: dma_alloc_coherent fragmentation

2009-03-19 Thread Menon, Nishanth
Hi Hiroshi, -Original Message- From: Hiroshi DOYU [mailto:hiroshi.d...@nokia.com] Sent: Thursday, March 19, 2009 8:43 AM What would happen with __GFP_RECLAIMABLE for dma_alloc_coherent()? As per [1], GFP_TEMPORARY might be the right approach.. but yes, Changing dummy to do:

Re: dma_alloc_coherent fragmentation

2009-03-18 Thread Russell King - ARM Linux
On Wed, Mar 18, 2009 at 08:03:45AM -0500, Kamat, Nishant wrote: Forwarding on behalf of Nishanth Menon: Make sure you're up to date with fixes to the ioremap code, specifically 24f11ec001920f1cfaeeed8e8b55725d900bbb56. This is not in 2.6.28, 2.6.29-rc1, 2.6.29-rc2, but is in -rc3 and later.

RE: dma_alloc_coherent fragmentation

2009-03-18 Thread Menon, Nishanth
, Fernando; Kevin Hilman; 2am...@gmail.com Subject: Re: dma_alloc_coherent fragmentation Make sure you're up to date with fixes to the ioremap code, specifically 24f11ec001920f1cfaeeed8e8b55725d900bbb56. This is not in 2.6.28, 2.6.29-rc1, 2.6.29-rc2, but is in -rc3 and later. 2.6.29 itself hasn't