Re: [PATCH] mm: add an option to disable bounce

2013-04-29 Thread KOSAKI Motohiro
(4/22/13 11:23 AM), vinayakm.l...@gmail.com wrote: > From: Vinayak Menon > > There are times when HIGHMEM is enabled, but > we don't prefer CONFIG_BOUNCE to be enabled. > CONFIG_BOUNCE can reduce the block device > throughput, and this is not ideal for machines > where we don't gain much by enabl

Re: [PATCH] mm: add an option to disable bounce

2013-04-22 Thread vinayak
On Monday 22 April 2013 11:17 PM, Russell King - ARM Linux wrote: > On Mon, Apr 22, 2013 at 08:53:00PM +0530, vinayakm.l...@gmail.com wrote: >> From: Vinayak Menon >> >> There are times when HIGHMEM is enabled, but >> we don't prefer CONFIG_BOUNCE to be enabled. >> CONFIG_BOUNCE can reduce the bl

Re: [PATCH] mm: add an option to disable bounce

2013-04-22 Thread Russell King - ARM Linux
On Mon, Apr 22, 2013 at 08:53:00PM +0530, vinayakm.l...@gmail.com wrote: > From: Vinayak Menon > > There are times when HIGHMEM is enabled, but > we don't prefer CONFIG_BOUNCE to be enabled. > CONFIG_BOUNCE can reduce the block device > throughput, and this is not ideal for machines > where we do

Re: [PATCH] mm: add an option to disable bounce

2013-04-22 Thread vinayak
On Monday 22 April 2013 10:28 PM, Randy Dunlap wrote: > On 04/22/13 08:23, vinayakm.l...@gmail.com wrote: >> From: Vinayak Menon >> >> There are times when HIGHMEM is enabled, but >> we don't prefer CONFIG_BOUNCE to be enabled. >> CONFIG_BOUNCE can reduce the block device >> throughput, and this

Re: [PATCH] mm: add an option to disable bounce

2013-04-22 Thread Randy Dunlap
On 04/22/13 08:23, vinayakm.l...@gmail.com wrote: > From: Vinayak Menon > > There are times when HIGHMEM is enabled, but > we don't prefer CONFIG_BOUNCE to be enabled. > CONFIG_BOUNCE can reduce the block device > throughput, and this is not ideal for machines > where we don't gain much by enabli

[PATCH] mm: add an option to disable bounce

2013-04-22 Thread vinayakm . list
From: Vinayak Menon There are times when HIGHMEM is enabled, but we don't prefer CONFIG_BOUNCE to be enabled. CONFIG_BOUNCE can reduce the block device throughput, and this is not ideal for machines where we don't gain much by enabling it. So provide an option to deselect CONFIG_BOUNCE. The obser