CHECK: Comparison to NULL could be written "!strstr"
CHECK: Unnecessary parentheses around 'pid == cgroups[i].pid'
WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
WARNING: line length of 81 exceeds 80 columns
WARNING: line length of 83 exceeds 80 columns
WARNING: line length of 85 exceeds 80 columns
WARNING: line length of 86 exceeds 80 columns
WARNING: line length of 87 exceeds 80 columns
WARNING: line length of 90 exceeds 80 columns