CommunityNews

CommunityNews

Linux Page Faults, mmap, and userfaultfd

How Linux demand-pages memory, what mmap does to physical pages, why replacing a mapping breaks direct memory access and shared memory, and how userfaultfd lets you lazily populate memory without destroying the mapping.

Read in full here:

Where Next?

Popular Linux topics Top

First poster: bot
Raspberry Pi is a little useful computer for learning programming and building projects. It comes with Debian Linux based modified operat...
New
First poster: bot
Why the FreeBSD Desktop and My Linux Rant. I have been a FreeBSD user for 4 years now, and a FreeBSD desktop user full time since Decemb...
New
First poster: bot
Plex on NixOS. In this post I describe how I set up Plex on NixOS, including a virtual file system for Backblaze B2 and Nginx for HTTPS.
New
First poster: bot
An enthusiast turned a Nokia 1680 feature phone into a Linux computer with a working screen and keyboard. The Nokia 1680 classic is a si...
New
First poster: bot
The PocketReform is a made-in-Berlin Linux handheld. Update 27/06/2022: The PocketReform has been officially announced! More information...
New
CommunityNews
Those of us who have spent our lives playing with computers naturally see the appeal of deployi […]
New
CommunityNews
Linux 6.15 kernel comes with new Rust-based drivers, performance gains, and more.
New
CommunityNews
For one of my network storage PC builds, I was looking for an alternative to Flatcar Container Linux and tried out NixOS again (after an ...
New
CommunityNews
The final issue of Linux Format, the UK’s best selling monthly Linux magazine, has gone on sale. The first issue launched in May 2000.
New
CommunityNews
The Capability Hardware Enhanced RISC Instructions (CHERI) project is a rethinking of computer […]
New

Other popular topics Top

PragmaticBookshelf
Take your Go skills to the next level by learning how to design, develop, and deploy a distributed service. Start from the bare essential...
New
AstonJ
There’s a whole world of custom keycaps out there that I didn’t know existed! Check out all of our Keycaps threads here: https://forum....
New
New
AstonJ
In case anyone else is wondering why Ruby 3 doesn’t show when you do asdf list-all ruby :man_facepalming: do this first: asdf plugin-upd...
New
mafinar
This is going to be a long an frequently posted thread. While talking to a friend of mine who has taken data structure and algorithm cou...
New
PragmaticBookshelf
Author Spotlight Mike Riley @mriley This month, we turn the spotlight on Mike Riley, author of Portable Python Projects. Mike’s book ...
New
DevotionGeo
I have always used antique keyboards like Cherry MX 1800 or Cherry MX 8100 and almost always have modified the switches in some way, like...
New
hilfordjames
There appears to have been an update that has changed the terminology for what has previously been known as the Taskbar Overflow - this h...
New
AnfaengerAlex
Hello, I’m a beginner in Android development and I’m facing an issue with my project setup. In my build.gradle.kts file, I have the foll...
New
AstonJ
Curious what kind of results others are getting, I think actually prefer the 7B model to the 32B model, not only is it faster but the qua...
New