Your system information

• Steam client version (build number or date): 1714854927 (SteamClient021)
• Distribution (e.g. Ubuntu): Linux Mint 21.3 6.5.0-28
• Opted into Steam client beta?: NO
• Have you checked for system updates?: Yes
• Steam Logs: steam-logs.tar.gz
• GPU: AMD RX 6800 XT

When i use the system at startup, i use around 4-6Go of memory...

If a run a game: example FS22
ram grown up to 19Go...
If a close the game, finish the sync with steam cloud, the system stay with 15Go

Same with different game (Denizen, Snowrunner, Hydroneer, Mon Bazou, ....)