diff options
Diffstat (limited to 'fs/proc/base.c')
| -rw-r--r-- | fs/proc/base.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 175db258942f..6f742f6658a9 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c | |||
| @@ -1003,12 +1003,7 @@ static ssize_t oom_adjust_read(struct file *file, char __user *buf, | |||
| 1003 | 1003 | ||
| 1004 | if (!task) | 1004 | if (!task) |
| 1005 | return -ESRCH; | 1005 | return -ESRCH; |
| 1006 | task_lock(task); | 1006 | oom_adjust = task->oomkilladj; |
| 1007 | if (task->mm) | ||
| 1008 | oom_adjust = task->mm->oom_adj; | ||
| 1009 | else | ||
| 1010 | oom_adjust = OOM_DISABLE; | ||
| 1011 | task_unlock(task); | ||
| 1012 | put_task_struct(task); | 1007 | put_task_struct(task); |
| 1013 | 1008 | ||
| 1014 | len = snprintf(buffer, sizeof(buffer), "%i\n", oom_adjust); | 1009 | len = snprintf(buffer, sizeof(buffer), "%i\n", oom_adjust); |
| @@ -1037,19 +1032,11 @@ static ssize_t oom_adjust_write(struct file *file, const char __user *buf, | |||
| 1037 | task = get_proc_task(file->f_path.dentry->d_inode); | 1032 | task = get_proc_task(file->f_path.dentry->d_inode); |
| 1038 | if (!task) | 1033 | if (!task) |
| 1039 | return -ESRCH; | 1034 | return -ESRCH; |
| 1040 | task_lock(task); | 1035 | if (oom_adjust < task->oomkilladj && !capable(CAP_SYS_RESOURCE)) { |
| 1041 | if (!task->mm) { | ||
| 1042 | task_unlock(task); | ||
| 1043 | put_task_struct(task); | ||
| 1044 | return -EINVAL; | ||
| 1045 | } | ||
| 1046 | if (oom_adjust < task->mm->oom_adj && !capable(CAP_SYS_RESOURCE)) { | ||
| 1047 | task_unlock(task); | ||
| 1048 | put_task_struct(task); | 1036 | put_task_struct(task); |
| 1049 | return -EACCES; | 1037 | return -EACCES; |
| 1050 | } | 1038 | } |
| 1051 | task->mm->oom_adj = oom_adjust; | 1039 | task->oomkilladj = oom_adjust; |
| 1052 | task_unlock(task); | ||
| 1053 | put_task_struct(task); | 1040 | put_task_struct(task); |
| 1054 | if (end - buffer == 0) | 1041 | if (end - buffer == 0) |
| 1055 | return -EIO; | 1042 | return -EIO; |
