there are a few Windows games running on Linux via Steam Play (Proton), that [the previous vm.max_map_count] limit can actually be exceeded – DayZ, Hogwarts Legacy, Counter Strike 2, and other games.
Sounds good, especially if Ubuntu, Fedora, and other distros have already made this change. Are there any downsides to raising this value?
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Not really it seems. Steam has raised it to the MAX_INT - 5, Fedora originally planned to do so to but held off after concerns from engineers that it could lead to situations where having too much mapped would lead to the kernel killing other processes to solve OOM situations so they settled on the number that has now also been adapted by Arch. At least, according to another Phoronix article.
Steam has raised it to the MAX_INT - 5
Now I’m interested where the 5 comes from.
I wonder too!
I’m betting on trial and error. Probably has a mysterious comment in the code, as a warning to other.
Source: I develop software and find these things are either deeply researched and analyzed scientific theory, or the result of guesswork and trial and error. At a ratio of about 95% and 5% respectively.
95% being trial and error. At least where I work.
Wasn’t there also something related to Yuzu that needed this to be upped for certain games too?
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increasing its default value
Wait-
default value
Nah. Can’t be an arch user. Defaults are for losers.
