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Forum: Kernel

Request help with Linux kernel compilation, theory, programming, or other kernel related issues

  1. Question malloc

    Hi All, Have a few questions regarding malloc. 1. How does "malloc" system call attocate memory? 2. Are there any env variables that can...

    Started by rinjo, 10-21-2008
    • Replies: 4
    • Views: 4,559
    11-20-2008 Go to last post
  2. How to build device tree compiler(dtc) early enough?

    I am running Linux 2.6.24.I'm interested in the dtc utility that is built through arch/powerpc/boot/Makefile.The source files for dtc are...

    Started by linuxuser26, 11-19-2008
    • Replies: 0
    • Views: 4,597
    11-19-2008 Go to last post
  3. sched.h: What does get_mm_rss() return

    In include/linux/sched.h, please describe the memory (including units) returned by the get_mm_rss macro? Is it the same virtual memory (rss)...

    Started by bandeg, 11-18-2008
    • Replies: 1
    • Views: 2,516
    11-19-2008 Go to last post
  4. process table (process cotrol block)

    Hi all, Can someone tell me, where is the process table or the process control block of a process. It's in the Kernel Address Space, isn't it ? ...

    Started by vodoi, 11-19-2008
    • Replies: 0
    • Views: 1,131
    11-19-2008 Go to last post
  5. Question how to test interrupt response time of kernel

    hello,everyone .:) Recently ,i want to test the interrupt response time,i get a tool named lrtbf-0.3,howerever ,it's too complicated to build the...

    Started by wendy0552, 11-19-2008
    • Replies: 0
    • Views: 839
    11-19-2008 Go to last post
  6. Kernel panic in DSL

    I'm trying to bring up Damn Small Linux on an older i386 with 128 MB RAM, using GRUB. The kernel seems to panic, and prints out several addresses...

    Started by cornhenge, 11-17-2008
    • Replies: 1
    • Views: 1,157
    11-18-2008 Go to last post
  7. Arrow How to load a kernel module twice?

    Hi, I've programmed a kernel module which connects to another kernel module with a certain load parameter and manages data between that kernel...

    Started by Lenz Moser, 10-16-2008
    • Replies: 7
    • Views: 2,637
    11-18-2008 Go to last post
  8. kernel configuration | page tables

    hi, i want to modify my page tables such that it is 4K. i searched high and low for that field, anyone knows where is it? thank you

    Started by adriangolding, 11-18-2008
    • Replies: 0
    • Views: 655
    11-18-2008 Go to last post
  9. Threads virtual memory allocation - difference 2.6 -2.4

    I need to know what's the difference between virtual memory allocation for threads between kernels 2.6 and 2.4: I wrote a program which creates a...

    Started by wassim_dagash, 11-17-2008
    • Replies: 0
    • Views: 1,839
    11-17-2008 Go to last post
  10. How to print Kernel stack - please help

    Hi I try to understand how UART driver is working, I'd like to know if there is a way to printk the kernel stack in a given point of a code. ...

    Started by dudi.forum1, 11-13-2008
    • Replies: 2
    • Views: 6,391
    11-16-2008 Go to last post
  11. SMP timing

    I work on a custom linux, where we resolve some problems by adding sleeps in our initscript. Also, during startup, some messages will be interrupted...

    Started by haysouse, 11-14-2008
    • Replies: 0
    • Views: 682
    11-14-2008 Go to last post
  12. Open Embedded

    Hi to all, Does anyone have prior experience in open embedded,since I need to start it for MIPS architecture can anyone help me out. Regards...

    Started by umeshyv, 11-12-2008
    • Replies: 0
    • Views: 1,452
    11-12-2008 Go to last post
  13. Why attribute of device file changed after exiting faketoot?

    I use fakeroot tool to create device nodes under /dev to generate a embedded file system. then use lzma to create an image for my reference board....

    Started by topeqin, 11-10-2008
    • Replies: 0
    • Views: 901
    11-10-2008 Go to last post
  14. intel mobile 4 series support

    Can someone give me some info about when the kernel will support this? I need it in order to get wuxga on my fluxbox Linuxfromscratch partition. Or...

    Started by elninio, 11-04-2008
    • Replies: 1
    • Views: 8,281
    11-09-2008 Go to last post
  15. Compiling the minimum kernel

    I'm trying to compile linux 2.6.18.1 kernel with minimum set of features required to get an x86 system up and running. So far I've tried to follow...

    Started by lugi_82, 11-07-2008
    • Replies: 2
    • Views: 7,400
    11-07-2008 Go to last post
  16. Cool problem in building compiler

    when building zImage for my PXA255 processor, how to figure out which address to assign to PARAMS_PHYS and INITRD_PHYS and in which file. My LINUX...

    Started by zahidul, 11-06-2008
    • Replies: 0
    • Views: 696
    11-06-2008 Go to last post
  17. Monitor goes into standby mode

    Hi, I am new to linux kernel development. I am working on a project, where i have developed a simple frame buffer driver for custom PCI...

    Started by zoommanish, 11-06-2008
    • Replies: 0
    • Views: 797
    11-06-2008 Go to last post
  18. dma_alloc_coherent memory increase

    It appears that I am currently limited to 32MB of dma_alloc_coherent memory. Is there a way to increase this amount? I have written a Linux PCI...

    Started by uncleray, 11-05-2008
    • Replies: 0
    • Views: 1,826
    11-05-2008 Go to last post
  19. Calling SYSTEM CALLs from Kernel?

    Hi all, can anyone answer whether its possible to call system calls from kernel, i am bit struggling a bit here.... any response even yes or no...

    Started by wildkrishh, 10-29-2008
    • Replies: 5
    • Views: 850
    11-05-2008 Go to last post
  20. VESA(0): shmget(lowmem) error: Function not implemented

    So I've stripped my kernel, very very aggressively, but the wonderful thing is, everything except X still works. Unfortunately, I've played around...

    Started by sythem, 11-03-2008
    • Replies: 1
    • Views: 2,720
    11-04-2008 Go to last post

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