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SubjectRe: [v2 PATCH 2/2] netprio_cgroup: Use memcpy instead of the for-loop to copy priomap
On 09/12/2012 01:54 PM, Srivatsa S. Bhat wrote:
> On 09/12/2012 01:19 PM, David Miller wrote:
>> From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
>> Date: Wed, 12 Sep 2012 11:37:47 +0530
>>
>>> + memcpy(new_priomap->priomap, old_priomap->priomap,
>>> + old_priomap->priomap_len *
>>> + sizeof(old_priomap->priomap[0]));
>>
>> This argument indentation is ridiculous. Try:
>>
>> memcpy(new_priomap->priomap, old_priomap->priomap,
>> old_priomap->priomap_len *
>> sizeof(old_priomap->priomap[0]));
>>
>> Using TABs exclusively for argumentat indentation is not the goal.
>>
>> Rather, lining the arguments up properly so that they sit at the first
>> column after the first line's openning parenthesis is what you should
>> be trying to achieve.
>
> OK, will fix it, thanks!
>
>>
>> And ignoring whatever stylistic convention we may or may not have, I
>> find it impossibly hard to believe that the code quoted above looks
>> good even to you.
>>
>
> On second thoughts, I think the memcpy in this case will actually be worse
> since it will copy the contents in chunks of smaller size than the for-loop.

Oops, I missed the __HAVE_ARCH_MEMCPY and was looking at the wrong memcpy
implementation.. And in any case, I went totally off-track by your last comment.
I hadn't realized that you were still referring to the way the code looks, rather
than questioning the switch to memcpy. Sorry about that!

I'll fix the odd-looking indentation and repost the patch.

Regards,
Srivatsa S. Bhat



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