[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>
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@ -3384,7 +3384,7 @@ EXPORT_SYMBOL(schedule);
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#ifdef CONFIG_PREEMPT
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/*
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* this is is the entry point to schedule() from in-kernel preemption
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* this is the entry point to schedule() from in-kernel preemption
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* off of preempt_enable. Kernel preemptions off return from interrupt
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* occur there and call schedule directly.
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*/
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@ -3427,7 +3427,7 @@ need_resched:
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EXPORT_SYMBOL(preempt_schedule);
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/*
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* this is is the entry point to schedule() from kernel preemption
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* this is the entry point to schedule() from kernel preemption
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* off of irq context.
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* Note, that this is called and return with irqs disabled. This will
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* protect us against recursive calling from irq.
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@ -3439,7 +3439,7 @@ asmlinkage void __sched preempt_schedule_irq(void)
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struct task_struct *task = current;
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int saved_lock_depth;
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#endif
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/* Catch callers which need to be fixed*/
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/* Catch callers which need to be fixed */
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BUG_ON(ti->preempt_count || !irqs_disabled());
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need_resched:
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@ -4650,7 +4650,7 @@ static inline struct task_struct *younger_sibling(struct task_struct *p)
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return list_entry(p->sibling.next,struct task_struct,sibling);
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}
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static const char *stat_nam[] = { "R", "S", "D", "T", "t", "Z", "X" };
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static const char stat_nam[] = "RSDTtZX";
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static void show_task(struct task_struct *p)
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{
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@ -4658,12 +4658,9 @@ static void show_task(struct task_struct *p)
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unsigned long free = 0;
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unsigned state;
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printk("%-13.13s ", p->comm);
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state = p->state ? __ffs(p->state) + 1 : 0;
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if (state < ARRAY_SIZE(stat_nam))
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printk(stat_nam[state]);
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else
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printk("?");
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printk("%-13.13s %c", p->comm,
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state < sizeof(stat_nam) - 1 ? stat_nam[state] : '?');
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#if (BITS_PER_LONG == 32)
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if (state == TASK_RUNNING)
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printk(" running ");
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@ -5776,7 +5773,7 @@ static unsigned long long measure_migration_cost(int cpu1, int cpu2)
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cache = vmalloc(max_size);
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if (!cache) {
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printk("could not vmalloc %d bytes for cache!\n", 2*max_size);
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return 1000000; // return 1 msec on very small boxen
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return 1000000; /* return 1 msec on very small boxen */
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}
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while (size <= max_size) {
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