[PATCH 0/4 -v2] OOM vs. freezer interaction fixes

Hi Andrew, Rafael, this has been originally discussed here [1] and previously posted here [2]. I have updated patches according to feedback from Oleg. The first and third patch are regression fixes and they are a stable material IMO. The second and fourth patch are simple cleanups. The 1st

[PATCH 0/4 -v2] OOM vs. freezer interaction fixes

Hi Andrew, Rafael, this has been originally discussed here [1] and previously posted here [2]. I have updated patches according to feedback from Oleg. The first and third patch are regression fixes and they are a stable material IMO. The second and fourth patch are simple cleanups. The 1st