Overcommit allows much better memory utilization. People disable overcommit all the time and get surprised when their programs start failing mallocs while there

Overcommit allows much better memory utilization. People disable overcommit all the time and get surprised when their programs start failing mallocs while there are still tons of discardable page cache in the system. https://unix.stackexchange.com/q/797835/1027 https://unix.stackexchange.com/q/797835/1027 https://unix.stackexchange.com/q/797841/1027 https://unix.stackexchange.com/q/797841/1027