[PATCH] posix-timers `unlikely' rejig
Andrew Morton [Mon, 7 Nov 2005 08:57:59 +0000 (00:57 -0800)]
!unlikely(expr) hurts my brain.   likely(!expr) is more straightforward.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

kernel/posix-cpu-timers.c

index 91a8942..84af54c 100644 (file)
@@ -497,7 +497,7 @@ static void process_timer_rebalance(struct task_struct *p,
                left = cputime_div(cputime_sub(expires.cpu, val.cpu),
                                   nthreads);
                do {
-                       if (!unlikely(t->flags & PF_EXITING)) {
+                       if (likely(!(t->flags & PF_EXITING))) {
                                ticks = cputime_add(prof_ticks(t), left);
                                if (cputime_eq(t->it_prof_expires,
                                               cputime_zero) ||
@@ -512,7 +512,7 @@ static void process_timer_rebalance(struct task_struct *p,
                left = cputime_div(cputime_sub(expires.cpu, val.cpu),
                                   nthreads);
                do {
-                       if (!unlikely(t->flags & PF_EXITING)) {
+                       if (likely(!(t->flags & PF_EXITING))) {
                                ticks = cputime_add(virt_ticks(t), left);
                                if (cputime_eq(t->it_virt_expires,
                                               cputime_zero) ||
@@ -527,7 +527,7 @@ static void process_timer_rebalance(struct task_struct *p,
                nsleft = expires.sched - val.sched;
                do_div(nsleft, nthreads);
                do {
-                       if (!unlikely(t->flags & PF_EXITING)) {
+                       if (likely(!(t->flags & PF_EXITING))) {
                                ns = t->sched_time + nsleft;
                                if (t->it_sched_expires == 0 ||
                                    t->it_sched_expires > ns) {