Linux kernel 4.18: better security, leaner code

Linux kernel 4.18: better security, leaner code

The recent release of Linux kernel 4.18 followed closely by the releases of 4.18.1, 4.18.2, 4.18.3, 4.18.4 and 4.18.5 brings some important changes to the Linux landscape along with a boatload of tweaks, fixes and improvements.

While many of the more significant changes might knock the socks off developers who have been aiming at these advancements for quite some time, the bulk of them are likely to go unnoticed by the broad expanse of Linux users. Here we take a look at some of the things this new kernel brings to our systems that might just make your something-to-get-a-little-excited-about list.

Code Cleanup

For one thing, the 4.18 kernel has brought about the surprising removal of nearly 100,000 lines of outdated code. That’s a lot of code! Does this mean that any of your favorite features may have been ripped out? That is not very likely. This code cleanup does means that a lot of code deadwood has been carefully expunged from the kernel along with one significant chunk. As a result, the new kernel should take up less memory, run a little more efficiently and be less vulnerable to attacks that might have taken advantage of the neglected sections of older code. This change also leaves the remaining code somewhat cleaner and easier to manage.

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