Top "Virtual-memory" questions

Virtual memory is a memory management technique developed for multitasking kernels.

Meaning of SIZE and RSS values in prstat output

Can somebody give some clear explanation of the meaning of the SIZE and RSS values we get from prstat in …

solaris virtual-memory
Can't understand Belady's anomaly

So Belady's Anomaly states that when using a FIFO page replacement policy, when adding more page space we'll have more …

operating-system virtual-memory page-fault
Determining page numbers and offsets for given addresses

Consider a computer system with a 32-bit logical address and 4KB page size. The system supports up to 512MB of …

memory-management operating-system offset cpu-architecture virtual-memory
Why does the stack address grow towards decreasing memory addresses?

I read in text books that the stack grows by decreasing memory address; that is, from higher address to lower …

memory-management stack virtual-memory callstack
How does x86 paging work?

This question is meant to fill the vacuum of good free information on the subject. I believe that a good …

x86 paging virtual-memory
What exactly do shadow page tables (for VMMs) do?

My understanding is that shadow page tables eliminate the need to emulate physical memory inside of the VM. ie. Instead …

virtual-machine virtualization virtual-memory page-tables
How to get a struct page from any address in the Linux kernel

I have existing code that takes a list of struct page * and builds a descriptor table to share memory with …

linux-kernel virtual-memory
What is "Virtual Size" in sysinternals process explorer

My application runs for few hours, There is no increase in any value ( vmsize, memory) of Task Manager. But after …

windows memory virtual-memory
Difference Between Page Table and Page Directory

I have been hearing the term address space often in microprocessors and microcontrollers Paradigm. I understand that an address is …

assembly x86 virtual-memory page-tables
Get JVM to grow memory demand as needed up to size of VM limit?

We ship a Java application whose memory demand can vary quite a lot depending on the size of the data …

java command-line virtual-memory