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authorTony Luck <tony.luck@intel.com>2005-07-27 10:36:54 -0700
committerTony Luck <tony.luck@intel.com>2005-07-27 10:36:54 -0700
commitc2834cf4746cf13501efc3489b1895bce58a4ccb (patch)
tree13614c2ed7ec156d8518fd5bff4e1c252fb05792 /kernel/sched.c
parent05cb784c81a0fd1f97732156ea464bd392ce875a (diff)
parent9e566d8bd61f939b7f5d7d969f5b178571471cf9 (diff)
Auto merge with /home/aegl/GIT/linus
Diffstat (limited to 'kernel/sched.c')
-rw-r--r--kernel/sched.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 4107db0dc09..a646e4f36c4 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3486,7 +3486,7 @@ static void __setscheduler(struct task_struct *p, int policy, int prio)
p->policy = policy;
p->rt_priority = prio;
if (policy != SCHED_NORMAL)
- p->prio = MAX_USER_RT_PRIO-1 - p->rt_priority;
+ p->prio = MAX_RT_PRIO-1 - p->rt_priority;
else
p->prio = p->static_prio;
}
@@ -3518,7 +3518,8 @@ recheck:
* 1..MAX_USER_RT_PRIO-1, valid priority for SCHED_NORMAL is 0.
*/
if (param->sched_priority < 0 ||
- param->sched_priority > MAX_USER_RT_PRIO-1)
+ (p->mm && param->sched_priority > MAX_USER_RT_PRIO-1) ||
+ (!p->mm && param->sched_priority > MAX_RT_PRIO-1))
return -EINVAL;
if ((policy == SCHED_NORMAL) != (param->sched_priority == 0))
return -EINVAL;
@@ -3528,7 +3529,8 @@ recheck:
*/
if (!capable(CAP_SYS_NICE)) {
/* can't change policy */
- if (policy != p->policy)
+ if (policy != p->policy &&
+ !p->signal->rlim[RLIMIT_RTPRIO].rlim_cur)
return -EPERM;
/* can't increase priority */
if (policy != SCHED_NORMAL &&