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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-12-15 14:56:09 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-12-15 14:56:19 +0100 |
| commit | 648616343cdbe904c585a6c12e323d3b3c72e46f (patch) | |
| tree | 514bce1b52663db4ab5662b637c764cf3c2ed1eb /kernel/fork.c | |
| parent | Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux (diff) | |
| download | linux-648616343cdbe904c585a6c12e323d3b3c72e46f.tar.xz linux-648616343cdbe904c585a6c12e323d3b3c72e46f.zip | |
[S390] cputime: add sparse checking and cleanup
Make cputime_t and cputime64_t nocast to enable sparse checking to
detect incorrect use of cputime. Drop the cputime macros for simple
scalar operations. The conversion macros are still needed.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index da4a6a10d088..b058c5820ecd 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1023,8 +1023,8 @@ void mm_init_owner(struct mm_struct *mm, struct task_struct *p) */ static void posix_cpu_timers_init(struct task_struct *tsk) { - tsk->cputime_expires.prof_exp = cputime_zero; - tsk->cputime_expires.virt_exp = cputime_zero; + tsk->cputime_expires.prof_exp = 0; + tsk->cputime_expires.virt_exp = 0; tsk->cputime_expires.sched_exp = 0; INIT_LIST_HEAD(&tsk->cpu_timers[0]); INIT_LIST_HEAD(&tsk->cpu_timers[1]); @@ -1132,14 +1132,10 @@ static struct task_struct *copy_process(unsigned long clone_flags, init_sigpending(&p->pending); - p->utime = cputime_zero; - p->stime = cputime_zero; - p->gtime = cputime_zero; - p->utimescaled = cputime_zero; - p->stimescaled = cputime_zero; + p->utime = p->stime = p->gtime = 0; + p->utimescaled = p->stimescaled = 0; #ifndef CONFIG_VIRT_CPU_ACCOUNTING - p->prev_utime = cputime_zero; - p->prev_stime = cputime_zero; + p->prev_utime = p->prev_stime = 0; #endif #if defined(SPLIT_RSS_COUNTING) memset(&p->rss_stat, 0, sizeof(p->rss_stat)); |