Forum: Kernel

Hello All I have a doubt in linux scheduling algorithm. How does linux distinguishes a real-time and a non real-time process? In other words,...

Hi, I am pretty new to linux and i have a few questions about an approach for an NVRAM driver. We have 4 segments of memory that are attached...

panic(); /*Oops, Question misspelled!!*/ I have a need to do some one time initialization of a device over i2c after a reset. I am curious as to...

Hi, To compile a loadable module, as far as I know you add something like this to the make file: obj-m := my_module1.o my_module2.o But what...

Is there any limitation to the number of slabs allocated for a particular cache? If yes, what is the limit and how can we change this upper limit? I...

Hi All, My Hardware is ARM based and the I am using ELDK (linux-2.6.19.2). I added a patch for Real-Time Preemption and it did work. I added High...

When i tried to load the root file system, i am getting error. Here is the trace version 2.6.13-jaluna (root@localhost.localdomain) (gcc version...

Hi all, I have a network driver in its final stages of development that needs some optimization. Its purpose is to accept data from the user,...

Which Flash Translation Layer (FTL) algorithm is used in the Linux 2.6 kernel to manage USB flash devices. Thank you. Pavan

Hi, Everyone: I want to track the dirty memory pages between two checkpoints by using the dirty bit of the page table. The idea is : I clear...

Hi all, I try to implement my first kernel module. I have just come to a problem which I'm unable to solve ... I do "something" what raises a...

Hi all, I read the article about the internal of LKM. But I still don't know where is the location of the text and data segment of LKM once LKM...

hello everybody The problem troubled me very long time. My platform is: ARM9 (S3C2410) with 3 serials Linux 2.6.14.7 GPS (Oncore M12T) I used...

I'm using linux kernel version 2.6.24 for an embedded system. For a hardware device I need to provide many large physically contiguous allocations (...

I have a multi-threaded program that runs on linux, Solaris and AIX. It simulates logic circuits. For one such simulation, the program reports that...

My first post here :D getting ready for op-sys exam and had a few questions the answer to which i cant really find on the web, was wondering if you...

Hi, I have a 16MB image of a bare bones kernel installation that was previously created using a 2.4 kernel and runs off /dev/hda1. It works when I...

Hi, How do I enable/disable all debug messages when the kernel is booting up? From my limited understanding I have to change the...

I got an error "xen Not Enough memory to stash the DOM0" when I boot IBM-T40 by kernel " xen.gz-2.6.18-53.el5 " Meiner Linux version ist ...

Hi all, I have two processes read and write using shared memory.I have to synchronize both these processes so that one occurs after the...