Revert "ext4: prevent kernel panic in case of uninitialized jinode"

This reverts commit f62911b7d0d3eb0686467b4c5a602f0a86deda17.
Revert "cpufreq: Save user policy min/max instead of policy min/max during hotplug"

This reverts commit dc1549b6564290bc749e198fbca2ef166ef753be.
Revert "cpufreq: always update frequency limits when setting a new policy"

This reverts commit 21137d0fd93ea3fa1248b4f676f48b7f475e8e38.
Revert "scripts: xz: Use smaller dictionary size"

This reverts commit 85643059f07540ded78094705aad22d346d7c328.
Revert "LMK: Optimize lowmem_shrink."

This reverts commit f02e8de222297fabb581569600ebc348b034b947.