Re: Linux MM : virtual memory address space

2014-03-06 Thread pramod gurav
On Wed, Mar 5, 2014 at 12:39 AM, Jeff Haran jeff.ha...@citrix.com wrote: From: kernelnewbies-boun...@kernelnewbies.org [mailto:kernelnewbies-boun...@kernelnewbies.org] On Behalf Of pramod gurav Sent: Monday, March 03, 2014 11:33 PM To: priyaranjan Cc: kernelnewbies Subject: Re: Linux MM

how to deal with page

2014-03-06 Thread 于运超
Hi. nowdays i am studing Transparent encryption in linux system. when reading file needs do_generic_file_read function decrpty file. but in do_generic_file_read Physical data using struct page ,how did i use page decrpty. ___ Kernelnewbies mailing list

Re: usb drivers

2014-03-06 Thread sanjeev sharma
Hello Kalyan, I would suggest you to have a Look into Linux Device Driver Book by Alessandro Rubini Jonathan Corbet and before that you should understand the USB Stack Linux architecture . Regards Sanjeev Sharma On Thu, Mar 6, 2014 at 12:34 PM, Srinivas Ganji srinivasganji.ker...@gmail.com

RE: Linux MM : virtual memory address space

2014-03-06 Thread Jeff Haran
-Original Message- From: pramod gurav [mailto:pramod.gurav@gmail.com] Sent: Thursday, March 06, 2014 12:56 AM To: Jeff Haran Cc: priyaranjan; kernelnewbies Subject: Re: Linux MM : virtual memory address space On Wed, Mar 5, 2014 at 12:39 AM, Jeff Haran jeff.ha...@citrix.com

Re: Linux MM : virtual memory address space

2014-03-06 Thread Subramaniam Appadodharana
Jeff/Pramod, I think what Pramod mentioned is partly right. However, I do not have more info on that yet. Will get back after some more digging in. For kernel memory addresses you can do, sudo cat /proc/vmallocinfo This is in line with what Jeff mentioned. I will check why the upper 16 bits are

Re: how to deal with page

2014-03-06 Thread Freeman Zhang
Hi, 2014-03-06 17:20 于运超: Hi. nowdays i am studing Transparent encryption in linux system. when reading file needs do_generic_file_read function decrpty file. but in do_generic_file_read Physical data using struct page ,how did i use page decrpty. Maybe you need to do en/decryption in the

SRIO gen2 switch

2014-03-06 Thread Ashish
Hi, I am new to rapidio and I am trying understand. I have a question regarding srio switch initialization. How to configure srio switch(idt cps1432) before it go for software initialization? Can we configure it through rapidio port? Any pointer, link or suggestion will be really helpful.

Re: Linux MM : virtual memory address space

2014-03-06 Thread pramod gurav
On Thu, Mar 6, 2014 at 11:18 PM, Subramaniam Appadodharana c.a.subraman...@gmail.com wrote: Jeff/Pramod, I think what Pramod mentioned is partly right. However, I do not have more info on that yet. Will get back after some more digging in. For kernel memory addresses you can do, sudo cat