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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-03-19 17:02:01 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-03-19 17:02:01 -0700 |
commit | 10ce3cc919f50c2043b41ca968b43c26a3672600 (patch) | |
tree | ea409366a5208aced495bc0516a08b81fd43222e /kernel/itimer.c | |
parent | 24e3e5ae1e4c2a3a32f5b1f96b4e3fd721806acd (diff) | |
parent | 5c6a7a62c130afef3d61c1dee153012231ff5cd9 (diff) |
Merge branch 'next' into for-linus
Diffstat (limited to 'kernel/itimer.c')
-rw-r--r-- | kernel/itimer.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/kernel/itimer.c b/kernel/itimer.c index d802883153d..22000c3db0d 100644 --- a/kernel/itimer.c +++ b/kernel/itimer.c @@ -52,22 +52,22 @@ static void get_cpu_itimer(struct task_struct *tsk, unsigned int clock_id, cval = it->expires; cinterval = it->incr; - if (!cputime_eq(cval, cputime_zero)) { + if (cval) { struct task_cputime cputime; cputime_t t; thread_group_cputimer(tsk, &cputime); if (clock_id == CPUCLOCK_PROF) - t = cputime_add(cputime.utime, cputime.stime); + t = cputime.utime + cputime.stime; else /* CPUCLOCK_VIRT */ t = cputime.utime; - if (cputime_le(cval, t)) + if (cval < t) /* about to fire */ cval = cputime_one_jiffy; else - cval = cputime_sub(cval, t); + cval = cval - t; } spin_unlock_irq(&tsk->sighand->siglock); @@ -161,10 +161,9 @@ static void set_cpu_itimer(struct task_struct *tsk, unsigned int clock_id, cval = it->expires; cinterval = it->incr; - if (!cputime_eq(cval, cputime_zero) || - !cputime_eq(nval, cputime_zero)) { - if (cputime_gt(nval, cputime_zero)) - nval = cputime_add(nval, cputime_one_jiffy); + if (cval || nval) { + if (nval > 0) + nval += cputime_one_jiffy; set_process_cpu_timer(tsk, clock_id, &nval, &cval); } it->expires = nval; |