New Linux Optimization Patches Reduced TLB Flushes By Over 50% In Some Cases

SK engineer Byungchul Park noticed costly migration overhead especially with TLB shoot-downs hurting performance while he was working with Compute Express Link (CXL) on Linux. That led to some optimization patches to reduce TLB flushes under some select cases that in turn led to a 50% reduction in full flushes and has the possibility of helping performance...