Hi Qian, On Thu, Jun 13, 2019 at 05:34:01PM -0400, Qian Cai wrote: > LTP hugemmap05 test case [1] could not exit itself properly and then degrade the > system performance on arm64 with linux-next (next-20190613). The bisection so > far indicates, > > BAD: 30bafbc357f1 Merge remote-tracking branch 'arm64/for-next/core' > GOOD: 0c3d124a3043 Merge remote-tracking branch 'arm64-fixes/for-next/fixes' Did you finish the bisection in the end? Also, what config are you using (you usually have something fairly esoteric ;)? Thanks, Will