Top "Mmap" questions

What’s the purpose of mmap memory protection PROT_NONE

I was reading the documentation of mmap and fell upon this line: PROT_NONE Pages may not be accessed. Is …

linux memory mapping mmap

How to create and write to memory mapped files?

Editor's note: This code example is from a version of Rust prior to 1.0 and the code it uses does not …

rust mmap

What is the fastest way to read 10 GB file from the disk?

We need to read and count different types of messages/run some statistics on a 10 GB text file, e.g …

perl io mmap performance

Why does mmap fail on iOS?

I'm trying to use mmap to read and play audio files on iOS. It works fine for files up to …

ios memory-management mmap

PCI-e memory space access with mmap

I'm using PCI-e port on Freescale MPC8308 processor (which is based on PowerPC architecture) and I have some problems when …

linux mmap pci-e memory-mapping

Why does munmap needs a length as parameter?

I was wondering, why should the size of mapped memory being one parameter passed in, since there couldn't more more …

linux kernel mmap