diff options
Diffstat (limited to 'sandbox/linux/suid/process_util.h')
| -rw-r--r-- | sandbox/linux/suid/process_util.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/sandbox/linux/suid/process_util.h b/sandbox/linux/suid/process_util.h index 6bab897..1826555 100644 --- a/sandbox/linux/suid/process_util.h +++ b/sandbox/linux/suid/process_util.h @@ -13,11 +13,14 @@ #include "base/base_export.h" -static const char kAdjustOOMScoreSwitch[] = "--adjust-oom-score"; - -// This adjusts /proc/process/oom_adj so the Linux OOM killer will prefer -// certain process types over others. The range for the adjustment is -// [-17,15], with [0,15] being user accessible. +// This adjusts /proc/process/oom_score_adj so the Linux OOM killer +// will prefer certain process types over others. The range for the +// adjustment is [-1000, 1000], with [0, 1000] being user accessible. +// +// If the Linux system isn't new enough to use oom_score_adj, then we +// try to set the older oom_adj value instead, scaling the score to +// the required range of [0, 15]. This may result in some aliasing of +// values, of course. BASE_EXPORT bool AdjustOOMScore(pid_t process, int score); #endif // SANDBOX_LINUX_SUID_PROCESS_UTIL_H_ |