Re: cache policy of arm mmu

Dear Arus, Thanks for your reply, well I checked this commit you mentioned as following: But I still could not get a clue about where the cache policy is set outside mmu.c. So do you know if I put the "cachepolicy=writethrough" in cmd line, where will that be parsed? Thanks a lot! diff --git a/ar

Re: Module vs Kernel main performacne

On May 31, 2012 9:37 PM, "Abu Rasheda" wrote: > > On Wed, May 30, 2012 at 10:35 PM, Mulyadi Santosa > wrote: > > Hi... > > > > On Thu, May 31, 2012 at 4:44 AM, Abu Rasheda wrote: > >> as I increase size of buffer, insns per cycle keep decreasing. Here is the data: > >> > >>1k 0.90 insns per

Re: [RFC]confusions about 'struct' define

Hi! On 00:50 Thu 31 May , harryxiyou wrote: ... > I have never seen struct define like > > "struct device; > struct device_private; > struct device_driver; > [...] > struct device_node; > struct iommu_ops;" This basically says that these structs exist and are defined somewhere. You need this

Re: Module vs Kernel main performacne

On Wed, May 30, 2012 at 10:35 PM, Mulyadi Santosa wrote: > Hi... > > On Thu, May 31, 2012 at 4:44 AM, Abu Rasheda wrote: >> as I increase size of buffer, insns per cycle keep decreasing. Here is the >> data: >> >>    1k 0.90  insns per cycle >>    8k 0.43  insns per cycle >>  43k 0.18  insns per