From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Date: Thu, 19 Aug 2010 16:02:55 +0000 Subject: Re: [PATCH 3/5] DMA: reduce the number of memory allocations Message-Id: <20100819160255.GA3948@suse.de> List-Id: References: <20100819153527.GE2985@suse.de> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org On Thu, Aug 19, 2010 at 05:46:38PM +0200, Guennadi Liakhovetski wrote: > On Thu, 19 Aug 2010, Greg KH wrote: > > > On Thu, Aug 19, 2010 at 04:40:15PM +0200, Guennadi Liakhovetski wrote: > > > Allocate the bitmap in dma_declare_coherent_memory() together with the struct > > > dma_coherent_mem object. > > > > You describe what you did, but _why_ are you doing it? > > Well, to me the subject "_reduce_ the number..." is already a reason > enough - the fewer kmalloc's of 20 bytes - the better, I think. But if you > like, I can update the description too. Yes, as I missed that, others might as well :) thanks, greg k-h