Re: [PATCH v4 3/7] x86/flush_tlb: try flush_tlb_single one by onein flush_tlb_range

From: Alex Shi
Date: Thu May 10 2012 - 05:06:36 EST



>> +
>> +#define FLUSHALL_BAR 16
>> +
>
> Btw, you can save a bunch of indenting on this function, let me add
> the final version here from the whole patchset so I can comment on it
> easier:
>
>> void __flush_tlb_range(struct mm_struct *mm, unsigned long start,
>> unsigned long end, unsigned long vmflag)
>> {
>> preempt_disable();
>> if (current->active_mm == mm) {
>
> if (current->active_mm != mm)
> goto flush_all;
>
> Now this whole piece below can move one indentation level to the left.
>
> Then you can do:
>
> if (!current->mm)
> goto leave;
>
> and add the "leave" label below.
>
> Now you're saving yet another indentation level, bringing the meat of
> the function at 1st indentation level, which is cool and gives you much
> more room so that you don't have to linebreak longer statements.
>


sure, thanks! :)
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