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From: SF Markus Elfring <elfring@users.sourceforge.net>
To: Johannes Thumshirn <jthumshirn@suse.de>, linux-rdma@vger.kernel.org
Cc: Dennis Dalessandro <dennis.dalessandro@intel.com>,
	Doug Ledford <dledford@redhat.com>,
	Hal Rosenstock <hal.rosenstock@gmail.com>,
	Mike Marciniszyn <mike.marciniszyn@intel.com>,
	Sean Hefty <sean.hefty@intel.com>,
	LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org
Subject: Re: [PATCH 3/5] IB/hfi1: Adjust another size determination in hfi1_user_sdma_alloc_queues()
Date: Mon, 13 Feb 2017 10:32:13 +0100	[thread overview]
Message-ID: <4dca91c1-488d-120d-bd25-74f400242bd2@users.sourceforge.net> (raw)
In-Reply-To: <fc714096-8534-2231-17fd-8e3ca3f7a87b@suse.de>

>> @@ -443,8 +442,8 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt, struct file *fp)
>>  	if (!cq)
>>  		goto cq_nomem;
>>  
>> -	memsize = PAGE_ALIGN(sizeof(*cq->comps) * hfi1_sdma_comp_ring_size);
>> -	cq->comps = vmalloc_user(memsize);
>> +	cq->comps = vmalloc_user(PAGE_ALIGN(sizeof(*cq->comps)
>> +				 * hfi1_sdma_comp_ring_size));
>>  	if (!cq->comps)
>>  		goto cq_comps_nomem;
>>  
>>
> 
> IMHO this makes readability worse.

How often does it really make sense to keep such a product in this local variable?


> What's the intention behind this patch?

I suggested just another simple omission of an extra variable.

Regards,
Markus

  reply	other threads:[~2017-02-13  9:33 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-10 21:00 [PATCH 0/5] IB/hfi1: Fine-tuning for three function implementations SF Markus Elfring
2017-02-10 21:01 ` [PATCH 1/5] IB/hfi1: Use kcalloc() in hfi1_user_exp_rcv_init() SF Markus Elfring
2017-02-10 21:02 ` [PATCH 2/5] IB/hfi1: Use kcalloc() in hfi1_user_sdma_alloc_queues() SF Markus Elfring
2017-02-10 21:03 ` [PATCH 3/5] IB/hfi1: Adjust another size determination " SF Markus Elfring
2017-02-13  9:10   ` Johannes Thumshirn
2017-02-13  9:32     ` SF Markus Elfring [this message]
2017-02-13  9:51       ` Johannes Thumshirn
2017-02-13 10:37         ` SF Markus Elfring
2017-02-13 10:49           ` Johannes Thumshirn
2017-02-10 21:04 ` [PATCH 4/5] IB/hfi1: Use memdup_user() rather than duplicating its implementation in hfi1_user_sdma_process_request() SF Markus Elfring
2017-02-11 15:32   ` Dennis Dalessandro
2017-02-13  9:50     ` [PATCH 27/27] IB/hfi1: Code reuse with memdup_copy SF Markus Elfring
2017-02-13 10:53     ` [PATCH 4/5] IB/hfi1: Use memdup_user() rather than duplicating its implementation in hfi1_user_sdma_process_request() Dan Carpenter
2017-02-13 11:12       ` SF Markus Elfring
2017-02-13 14:01         ` Dan Carpenter
2017-02-10 21:05 ` [PATCH 5/5] IB/hfi1: Improve another size determination " SF Markus Elfring
2017-04-20 20:29 ` [PATCH 0/5] IB/hfi1: Fine-tuning for three function implementations Doug Ledford

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