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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 10:53:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 10:53:02 -0700
commit1f6d6e8ebe73ba9d9d4c693f7f6f50f661dbd6e4 (patch)
treebe7a2d20b1728da5a0d844a6f4cd382b2c2569fb /kernel/sys.c
parentdb563fc2e80534f98c7f9121a6f7dfe41f177a79 (diff)
parent268a3dcfea2077fca60d3715caa5c96f9b5e6ea7 (diff)
Merge branch 'v28-range-hrtimers-for-linus-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'v28-range-hrtimers-for-linus-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (37 commits) hrtimers: add missing docbook comments to struct hrtimer hrtimers: simplify hrtimer_peek_ahead_timers() hrtimers: fix docbook comments DECLARE_PER_CPU needs linux/percpu.h hrtimers: fix typo rangetimers: fix the bug reported by Ingo for real rangetimer: fix BUG_ON reported by Ingo rangetimer: fix x86 build failure for the !HRTIMERS case select: fix alpha OSF wrapper select: fix alpha OSF wrapper hrtimer: peek at the timer queue just before going idle hrtimer: make the futex() system call use the per process slack value hrtimer: make the nanosleep() syscall use the per process slack hrtimer: fix signed/unsigned bug in slack estimator hrtimer: show the timer ranges in /proc/timer_list hrtimer: incorporate feedback from Peter Zijlstra hrtimer: add a hrtimer_start_range() function hrtimer: another build fix hrtimer: fix build bug found by Ingo hrtimer: make select() and poll() use the hrtimer range feature ...
Diffstat (limited to 'kernel/sys.c')
-rw-r--r--kernel/sys.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/sys.c b/kernel/sys.c
index 53879cdae48..31deba8f7d1 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1716,6 +1716,16 @@ asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
case PR_SET_TSC:
error = SET_TSC_CTL(arg2);
break;
+ case PR_GET_TIMERSLACK:
+ error = current->timer_slack_ns;
+ break;
+ case PR_SET_TIMERSLACK:
+ if (arg2 <= 0)
+ current->timer_slack_ns =
+ current->default_timer_slack_ns;
+ else
+ current->timer_slack_ns = arg2;
+ break;
default:
error = -EINVAL;
break;