Re: Questions about the zoned page frame allocator and fix mapped addresses

On Mon, Mar 30, 2015 at 10:46 PM, valdis.kletni...@vt.edu wrote: On Mon, 30 Mar 2015 20:25:38 +0530, Sunny Shah said: - The book says, about releasing page frames to the per CPU cache - no page frame is ever released to the cold cache: the kernel always assumes the freed page

Questions about the zoned page frame allocator and fix mapped addresses

. Is this wrong ? Thanks, Sunny ___ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

Re: Understanding the mapping of physical memory to kernel address space

? I also read on a stack overflow thread that LOW_MEM is memory that is permanently mapped into KVA, while HIGH_MEM is mapped as required. Is this true? Thanks, Sunny On Sun, Mar 15, 2015 at 1:17 PM, Arun KS getaru...@gmail.com wrote: Hello Sunny, On Sat, Mar 14, 2015 at 8:25 PM, Sunny Shah

Re: Understanding the mapping of physical memory to kernel address space

Thank you so much !! On Sun, Mar 15, 2015 at 8:48 PM, Arun KS getaru...@gmail.com wrote: On Mar 15, 2015 8:27 PM, Sunny Shah shahsunny...@gmail.com wrote: Hi Arun, Thanks for that excellent explanation. It's more or less clear to me now. However, quoting what you said: Because

Re: Understanding the mapping of physical memory to kernel address space

them. Thanks, Sunny On Thu, Mar 12, 2015 at 11:49 PM, Jeff Haran jeff.ha...@citrix.com wrote: -Original Message- From: kernelnewbies-boun...@kernelnewbies.org [mailto: kernelnewbies-boun...@kernelnewbies.org] On Behalf Of Arun KS Sent: Thursday, March 12, 2015 11:03 AM To: Sunny

Understanding the mapping of physical memory to kernel address space

, Sunny ___ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

Measuring Network Packet processing time

header on arrival, and one more when it reaches to its desired VM and examine the two timestamps. I’ve not figured out a way to do this yet—but do you think this is a viable option or what other methods would you recommend? Thanks, Sunny ___ Kernelnewbies

Re: [kernel]which the file define the variable of phys_base?

the page addresses may be messed up): sunny@ubuntu: make make -C /lib/modules/3.11.0-12-generic/build SUBDIRS=/home/sunny/Documents/ modules make[1]: Entering directory `/usr/src/linux-headers-3.11.0-12-generic' Building modules, stage 2. MODPOST 1 modules make[1]: Leaving directory `/usr/src

Re: [kernel]which the file define the variable of phys_base?

Hi, I’m not sure about the “pays_base” warning, but your code runs fine in my machine. What happens if you ignore the warning and load the module anyway? - Sunny On Feb 24, 2014, at 9:04 AM, lx lxlenovos...@gmail.com wrote: hi all: the codes