Re: issue with Vmalloc

2010-12-16 Thread naveen yadav
Nice document, This document have good info . On Tue, Dec 14, 2010 at 10:39 PM, Mulyadi Santosa mulyadi.sant...@gmail.com wrote: Hi On Tue, Dec 14, 2010 at 23:17, Josh Cartwright jo...@linux.com wrote: Sorry that I don't have a complete answer, but IIRC, the VmallocChunk just the

issue with Vmalloc

2010-12-14 Thread naveen yadav
Hi All, I have one question, if I do cat /proc/meminfo and do sum of VmallocTotal (114680 kB)=VmallocUsed(4440 kB)+VmallocChunk(109804 kB) is not equal, there is difference. why it is there ? is it related for ioremap ?. 2. Is MemTotal= VmallocTotal + Other parts ? $ cat /proc/meminfo

Change of Default kernel page size i.e 4KB

2010-12-01 Thread naveen yadav
Hi All, I have few drivers and very big application running on ARM and MIPS target. I want to check the performance by changing the page size ie. 8K, 16K, 32K etc. Is it possile, If yes then what all care i need to take . Thanks. -- To unsubscribe from this list: send an email with

double kfree

2010-12-01 Thread naveen yadav
Hi all, I Have following question with regard for 2.6.30 kernel If we do double kfree() a) Then what will happen? b) Can kernel detect double kfree() ? I gone through google to find some way to find it, there it mention CONFIG_DEBUG_SLAB can help, but i am not sure how usefull is it. I have

Re: double kfree

2010-12-01 Thread naveen yadav
Hi all, I want to check on 2.6.30.9, I want to check whole kernel source and drivers.. Thanks On Wed, Dec 1, 2010 at 9:31 PM, Mulyadi Santosa mulyadi.sant...@gmail.com wrote: Hi... On Wed, Dec 1, 2010 at 15:17, naveen yadav yad.nav...@gmail.com wrote: Hi all, I Have following question

ARM Linux book

2010-10-07 Thread naveen yadav
Hi All, I have search on net but could not get good book on ARM that explain Linux in terms of ARM. I found one ARM System Developer's Guide _ Designing and Optimizing System Software. I want similar book as

ARM Unwind

2010-09-21 Thread naveen yadav
Hi all, I Have one question regarding 2.6.30 with ARM new functionality is added i.e CONFIG_ARM_UNWIND by default whereas previous version support FRAME_POINTER. If both help in backtrace, so what is benifit we got with CONFIG_ARM_UNWIND. I got info that using option CONFIG_ARM_UNWIND help to

Re: Issue in using mmap on ARM target

2010-09-21 Thread naveen yadav
Hi All ,, I will add some more info as i debug further. If i give offset in range 0- 1023 then it work for me. # # ./arm.out 1023 w 3 /dev/mem opened. Memory mapped at address 0x40022000. Value at address 0x3FF (0x400223ff): 0xE1 Written 0x3;

Issue in using mmap on ARM target

2010-09-20 Thread naveen yadav
Hi all, I am facing one issue when executing below progmra on ARM target. The same program work well on X86 host machine, When execute on Host(x86). the result are as expected. [r...@localhost naveen]# ./a.out   b 2 /dev/mem opened. Memory mapped at address 0xb7f0. Value at address 0x0

Kernel crash on ARM

2010-09-20 Thread naveen yadav
Hi all, I have search on google but could not found any good document on how to do crash dump analysis and fix on ARM with some real time example, If some body have some site/document in mind pls provide me link. Thanks -- To unsubscribe from this list: send an email with unsubscribe

Re: Kernel crash on ARM

2010-09-20 Thread naveen yadav
, Sep 20, 2010 at 14:21, naveen yadav yad.nav...@gmail.com wrote: Hi all, I have search on google but could not found any good document on how to do crash dump analysis and fix on ARM with some real time example, If some body have some site/document in mind pls provide me link. I think what

mmap issue.

2010-09-17 Thread naveen yadav
Hi All, I am facing some issue while using mmap . Issue 1.msync(ptr, PageSize, MS_ASYNC) if i pass MS_SYNC it fail with bad option. Issue 2. If i run the above program on target(ARM). the value is not changing parent leaving critical section: -369098746 parent leaving critical section:

info needed for check_bugs

2010-06-07 Thread naveen yadav
Hi all , I am porting 2.6.30.9 to MIPS target. The target boot well, but when it reaches to check_bugs() function. static inline void check_bugs(void) { unsigned int cpu ; cpu = smp_processor_id(); cpu_data[cpu].udelay_val = loops_per_jiffy; check_bugs32(); #ifdef

Bugzila help

2010-03-30 Thread naveen yadav
Hi all, I want to know the bug reported/fixed in kernel version 2.6.30.9. I check on bugzila, but could not get bugs,. Will any body help me .. Thanks Naveen -- To unsubscribe from this list: send an email with unsubscribe kernelnewbies to ecar...@nl.linux.org Please read the FAQ at