Revert "fs/dcache.c: vfs_cache_pressure = 65"

This reverts commit eadafede4679436df847d598b029b0dcc901876f.
Revert "mm/oom_kill.c (affects lowmemorykiller): prevent changing oom_adj if its value is -17"

This reverts commit 66d1e86f015c8b44d8ff9632d632c5ed749ffef0.
Revert "fs/dache.c / mm/page-writeback.c: allow modification of dirty_-values and cache_pressure despite the dynamic suspend/resume values"

This reverts commit 4c28c116e563aea2e40a12df7aea218b925921e2.
Revert "fs/dcache.c: adaptive vfs_cache_pressure on suspend / resume"

This reverts commit 2363345727345bfa753fde32cb2eb891fe090316.
Revert "mm/oom_kill.c (affects lowmemorykiller): prevent changing oom_score_adj if its value is -1000"

This reverts commit 2221c7418aab7e79d1c97b52718b7b8dc4996103.
Revert "mm/oom_kill.c (affects lowmemorykiller): make tasks with oom_score_adj = -1000 unkillable"

This reverts commit 46373101888bd552dbbf1d5ca4f0e1b302e66f8f.
Revert "fs/proc/base.c (affects lowmemorykiller): oom_adj -17 triggers oom_score_adj of -1000"

This reverts commit 70b65751ec778c3a6e9b97c7e9e19193b8654fbd.