Top "Virtual-address-space" questions

virtual address space (VAS) or address space is the set of ranges of virtual addresses that an operating system makes available to a process

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
Why does a 32-bit OS support 4 GB of RAM?

Just reading some notes in a purdue lecture about OSs, and it says: A program sees memory as an array …

memory operating-system virtual-address-space
Drawbacks of using /LARGEADDRESSAWARE for 32 bit Windows executables?

We need to link one of our executables with this flag as it uses lots of memory. But why give …

windows memory memory-management virtual-address-space
Multi-level page tables - hierarchical paging

Example question from a past operating system final, how do I calculate this kind of question? A computer has a 64…

operating-system paging virtual-address-space
How to translate a virtual memory address to a physical address?

In my C++ program (on Windows), I'm allocating a block of memory and can make sure it stays locked (unswapped …

c++ windows memory virtual-address-space
How remap_pfn_range remaps kernel memory to user space?

remap_pfn_range function (used in mmap call in driver) can be used to map kernel memory to user space. …

linux-kernel linux-device-driver kernel-module virtual-address-space
Disable and re-enable address space layout randomization only for myself

I would like to disable address space layout randomization (ASLR) on my system (Ubuntu Gnu/Linux 2.6.32-41-server), but, if …

linux bash aslr virtual-address-space sysctl
Understanding Virtual Address, Virtual Memory and Paging

I've been learning these topics and read many articles and books but they all lack some complementary information and confused …

paging virtual-memory virtual-address-space
how to check if exe is set as LARGEADDRESSAWARE

I am developing a C# program that will load files and get information such as loaded file created date, modification …

c# memory virtual-address-space address-space
GDB examine memory permissions

I've an address in memory and I want to find out the permissions (r/w/x) of that memory address. …

c linux gcc gdb virtual-address-space