Avoid taskstats_exit and sched_process_exit #684

Job	Run time
Platform (aarch64) / Build	8m 1s
Platform (x86_64) / Build	2m 1s
Test (x86_64) / Kernel (rocky)	4m 26s
Test (x86_64) / Kernel (mainline)	13m 21s
Test (x86_64) / Kernel (centos)	3m 20s
Test (x86_64) / Kernel (amazonlinux2)	8m 37s
Test (x86_64) / Kernel (ubuntu-oem)	5m 49s
Test (x86_64) / Kernel (ubuntu-azure)	13m 15s
Test (x86_64) / Kernel (fedora)	4m 55s
Test (x86_64) / Kernel (ubuntu-oracle)	8m 43s
Test (x86_64) / Kernel (debian)	6m 42s
Test (x86_64) / Kernel (ubuntu-gcp)	8m 55s
Test (x86_64) / Kernel (ubuntu-gke)	3m 41s
Test (x86_64) / Kernel (ubuntu-aws)	13m 3s
Test (aarch64) / Kernel (amazonlinux2)	42m 43s
Test (aarch64) / Kernel (ubuntu-aws)	42m 41s
Test (aarch64) / Kernel (fedora)	12m 39s
Test (aarch64) / Kernel (debian)	7m 25s
Test (aarch64) / Kernel (mainline)	42m 41s
Test (aarch64) / Kernel (ubuntu-gke)	9m 19s
Test (aarch64) / Kernel (ubuntu-azure)	42m 42s
Test (aarch64) / Kernel (rocky)	7m 12s
Test (aarch64) / Kernel (ubuntu-gcp)	13m 1s
Test (aarch64) / Kernel (ubuntu-oracle)	35m 46s
CI Merge Auditor	1s
	6h 0m 59s

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