Top "Linux-kernel" questions

This tag is for questions about the internals of the Linux kernel itself - particularly about writing code that runs within the context of the kernel (like kernel modules or drivers).

How closely are Mac OS X and BSD related?

I read that Mac OS X and bsd are related. How closely are they related. Can Mac OS X software …

macos unix operating-system linux-kernel kernel
installing vmware tools: not recognizing path to 3.8.0-19-generic kernel files

So I am using Lubuntu and running in as VM using vmplayer and I am trying to install vmware tools. …

linux-kernel installation kernel virtual-machine vmware-tools
How to get function's name from function's pointer in Linux kernel?

How to get function's name from function's pointer in C? Edit: The real case is: I'm writing a linux kernel …

c linux-kernel function-pointers
Difference between physical/logical/virtual memory address

I am a little confused about the terms physical/logical/virtual addresses in an Operating System(I use Linux- open …

linux-kernel operating-system virtual-memory
insmod fails with "Unknown symbol in module" for a symbol defined in another module

I am working in Ubuntu. I am trying to make two kernel modules which uses each other functions. My problem …

c linux linux-kernel kernel-module insmod
How to set a global nofile limit to avoid "many open files" error?

I have a websocket service. it's strage that have error:"too many open files", but i have set the system …

linux ubuntu linux-kernel upstart
kernel stack and user space stack

What's the difference between kernel stack and user stack? Why kernel stack is used? If a local variable is declared …

linux linux-kernel linux-device-driver
How to know linux scheduler time slice?

I'm looking for the value of the time slice (or quantum) of my Linux kernel. Specific Questions: Is there a /…

c linux linux-kernel embedded-linux procfs
redirect QEMU window output to terminal running qemu

Im trying to debug the boot sequence of a linux kernel with qemu, the command i'm running is: qemu -serial …

linux debugging linux-kernel qemu
Is there any API for determining the physical address from virtual address in Linux?

Is there any API for determining the physical address from virtual address in Linux operating system?

linux memory memory-management linux-kernel virtual-address-space