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x86, mm, trivial: Remove unnecessary get_order() in free_thread_info()

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Because THREAD_SIZE is defined as PAGE_SIZE << THREAD_ORDER on x86, the
call of get_order(THREAD_SIZE) can be replaced with THREAD_ORDER.

Signed-off-by: Zhao Jin <cronozhj@gmail.com>
Link: http://lkml.kernel.org/r/4E4FB5A9.700@gmail.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Zhao Jin 2011-08-20 21:24:57 +08:00 committed by Ingo Molnar
parent 7a4e8beabc
commit c812d8f7ad
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/process.c
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@ -49,7 +49,7 @@ void free_thread_xstate(struct task_struct *tsk)
void free_thread_info(struct thread_info *ti)
{
free_thread_xstate(ti->task);
free_pages((unsigned long)ti, get_order(THREAD_SIZE));
free_pages((unsigned long)ti, THREAD_ORDER);
}
void arch_task_cache_init(void)