diff options
| author | Charles Haithcock <[email protected]> | 2020-11-01 17:07:56 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-11-02 12:14:19 -0800 |
| commit | 66606567dedf395e0857f531976efad4cbbd39ea (patch) | |
| tree | 3314ef554731de6cb840c181bf96d4158820a4cd | |
| parent | 6993d0fdbee0eb38bfac350aa016f65ad11ed3b1 (diff) | |
mm, oom: keep oom_adj under or at upper limit when printing
For oom_score_adj values in the range [942,999], the current
calculations will print 16 for oom_adj. This patch simply limits the
output so output is inline with docs.
Signed-off-by: Charles Haithcock <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Alexey Dobriyan <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | fs/proc/base.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 0f707003dda5..b362523a9829 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1049,6 +1049,8 @@ static ssize_t oom_adj_read(struct file *file, char __user *buf, size_t count, oom_adj = (task->signal->oom_score_adj * -OOM_DISABLE) / OOM_SCORE_ADJ_MAX; put_task_struct(task); + if (oom_adj > OOM_ADJUST_MAX) + oom_adj = OOM_ADJUST_MAX; len = snprintf(buffer, sizeof(buffer), "%d\n", oom_adj); return simple_read_from_buffer(buf, count, ppos, buffer, len); } |