[PATCH] small kernel/sched.c cleanup
- constify and optimize stat_nam (thanks to Michael Tokarev!)
- spelling and comment fixes
Signed-off-by: Andreas Mohr <andi@lisas.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/kernel/sched.c b/kernel/sched.c
index b47819b..d714611 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3384,7 +3384,7 @@
#ifdef CONFIG_PREEMPT
/*
- * this is is the entry point to schedule() from in-kernel preemption
+ * this is the entry point to schedule() from in-kernel preemption
* off of preempt_enable. Kernel preemptions off return from interrupt
* occur there and call schedule directly.
*/
@@ -3427,7 +3427,7 @@
EXPORT_SYMBOL(preempt_schedule);
/*
- * this is is the entry point to schedule() from kernel preemption
+ * this is the entry point to schedule() from kernel preemption
* off of irq context.
* Note, that this is called and return with irqs disabled. This will
* protect us against recursive calling from irq.
@@ -3439,7 +3439,7 @@
struct task_struct *task = current;
int saved_lock_depth;
#endif
- /* Catch callers which need to be fixed*/
+ /* Catch callers which need to be fixed */
BUG_ON(ti->preempt_count || !irqs_disabled());
need_resched:
@@ -4650,7 +4650,7 @@
return list_entry(p->sibling.next,struct task_struct,sibling);
}
-static const char *stat_nam[] = { "R", "S", "D", "T", "t", "Z", "X" };
+static const char stat_nam[] = "RSDTtZX";
static void show_task(struct task_struct *p)
{
@@ -4658,12 +4658,9 @@
unsigned long free = 0;
unsigned state;
- printk("%-13.13s ", p->comm);
state = p->state ? __ffs(p->state) + 1 : 0;
- if (state < ARRAY_SIZE(stat_nam))
- printk(stat_nam[state]);
- else
- printk("?");
+ printk("%-13.13s %c", p->comm,
+ state < sizeof(stat_nam) - 1 ? stat_nam[state] : '?');
#if (BITS_PER_LONG == 32)
if (state == TASK_RUNNING)
printk(" running ");
@@ -5776,7 +5773,7 @@
cache = vmalloc(max_size);
if (!cache) {
printk("could not vmalloc %d bytes for cache!\n", 2*max_size);
- return 1000000; // return 1 msec on very small boxen
+ return 1000000; /* return 1 msec on very small boxen */
}
while (size <= max_size) {