github/containerd
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 2 Wiki Activity

Add bounds on max oom_score_adj value for AdjustOOMScore

Browse Source 
oom_score_adj must be in the range -1000 to 1000. In AdjustOOMScore if containerd's score is already at the maximum value we should set that value for the shim instead of trying to set 1001 which is invalid.

Signed-off-by: Simon Kaegi <simon_kaegi@ca.ibm.com>
This commit is contained in:
Simon Kaegi
2020-12-14 12:01:04 -05:00
parent 004214808a
commit da2fd657ab
5 changed files with 23 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
sys/oom_unix.go
View File

@@ -26,8 +26,12 @@ import (
"strings"
)
// OOMScoreMaxKillable is the maximum score keeping the process killable by the oom killer
const OOMScoreMaxKillable = -999
const (
// OOMScoreMaxKillable is the maximum score keeping the process killable by the oom killer
OOMScoreMaxKillable = -999
// OOMScoreAdjMax is from OOM_SCORE_ADJ_MAX https://github.com/torvalds/linux/blob/master/include/uapi/linux/oom.h
OOMScoreAdjMax = 1000
)
// SetOOMScore sets the oom score for the provided pid
func SetOOMScore(pid, score int) error {