People disable memory overcommit, expecting to fix OOMs, and then they get surprised when their programs start failing mallocs while there are still tons of dis

People disable memory overcommit, expecting to fix OOMs, and then they 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