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From: Paulo Marques <pmarques@grupopie.com>
To: Jiri Slaby <jirislaby@gmail.com>
Cc: Om Narasimhan <om.turyx@gmail.com>,
	linux-kernel@vger.kernel.org, kernel-janitors@lists.osdl.org
Subject: Re: [KJ] kmalloc to kzalloc patches for drivers/block [sane version]
Date: Fri, 22 Sep 2006 11:32:15 +0000	[thread overview]
Message-ID: <4513C9BF.7040706@grupopie.com> (raw)
In-Reply-To: <4513A21C.40704@gmail.com>

Jiri Slaby wrote:
> Om Narasimhan wrote:
>> [...]
>> --- a/drivers/block/cpqarray.c
>> +++ b/drivers/block/cpqarray.c
>> @@ -424,7 +424,7 @@ static int __init cpqarray_register_ctlr
>>     hba[i]->cmd_pool = (cmdlist_t *)pci_alloc_consistent(
>>         hba[i]->pci_dev, NR_CMDS * sizeof(cmdlist_t),
>>         &(hba[i]->cmd_pool_dhandle));
>> -    hba[i]->cmd_pool_bits = kmalloc(
>> +    hba[i]->cmd_pool_bits = kzalloc(
>>         ((NR_CMDS+BITS_PER_LONG-1)/BITS_PER_LONG)*sizeof(unsigned long),
>>         GFP_KERNEL);
> 
> kcalloc?

Agreed on every comment except this one. That complex expression is 
really just a constant in the end, so there is no point in using kcalloc.

-- 
Paulo Marques - www.grupopie.com

"The face of a child can say it all, especially the
mouth part of the face."
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WARNING: multiple messages have this Message-ID (diff)
From: Paulo Marques <pmarques@grupopie.com>
To: Jiri Slaby <jirislaby@gmail.com>
Cc: Om Narasimhan <om.turyx@gmail.com>,
	linux-kernel@vger.kernel.org, kernel-janitors@lists.osdl.org
Subject: Re: [KJ] kmalloc to kzalloc patches for drivers/block [sane version]
Date: Fri, 22 Sep 2006 12:32:15 +0100	[thread overview]
Message-ID: <4513C9BF.7040706@grupopie.com> (raw)
In-Reply-To: <4513A21C.40704@gmail.com>

Jiri Slaby wrote:
> Om Narasimhan wrote:
>> [...]
>> --- a/drivers/block/cpqarray.c
>> +++ b/drivers/block/cpqarray.c
>> @@ -424,7 +424,7 @@ static int __init cpqarray_register_ctlr
>>     hba[i]->cmd_pool = (cmdlist_t *)pci_alloc_consistent(
>>         hba[i]->pci_dev, NR_CMDS * sizeof(cmdlist_t),
>>         &(hba[i]->cmd_pool_dhandle));
>> -    hba[i]->cmd_pool_bits = kmalloc(
>> +    hba[i]->cmd_pool_bits = kzalloc(
>>         ((NR_CMDS+BITS_PER_LONG-1)/BITS_PER_LONG)*sizeof(unsigned long),
>>         GFP_KERNEL);
> 
> kcalloc?

Agreed on every comment except this one. That complex expression is 
really just a constant in the end, so there is no point in using kcalloc.

-- 
Paulo Marques - www.grupopie.com

"The face of a child can say it all, especially the
mouth part of the face."

  reply	other threads:[~2006-09-22 11:32 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-18  0:53 [KJ] kmalloc to kzalloc patches for drivers/mfd Om Narasimhan
2006-09-18  0:53 ` Om Narasimhan
2006-09-18  0:53 ` [KJ] kmalloc to kzalloc patches for drivers/atm Om Narasimhan
2006-09-18  0:53   ` Om Narasimhan
2006-09-18  1:19   ` [KJ] " Dmitry Torokhov
2006-09-18  1:19     ` Dmitry Torokhov
2006-09-18  9:42   ` [KJ] " Alan Cox
2006-09-18  9:42     ` Alan Cox
2006-09-18 12:07     ` [KJ] " Pekka Enberg
2006-09-18 12:07       ` Pekka Enberg
2006-09-18  0:53 ` [KJ] kmalloc to kzalloc patches for drivers/base Om Narasimhan
2006-09-18  0:53   ` Om Narasimhan
2006-09-18  1:08   ` [KJ] " Dmitry Torokhov
2006-09-18  1:08     ` Dmitry Torokhov
2006-09-18  2:27     ` [KJ] " Om Narasimhan
2006-09-18  2:27       ` Om Narasimhan
2006-09-18  9:40   ` [KJ] " Alan Cox
2006-09-18  9:40     ` Alan Cox
2006-09-18 12:31   ` [KJ] " Greg KH
2006-09-18 12:31     ` Greg KH
2006-09-18  0:54 ` [KJ] kmalloc to kzalloc patches for drivers/block Om Narasimhan
2006-09-18  0:54   ` Om Narasimhan
2006-09-18  9:43 ` [KJ] kmalloc to kzalloc patches for drivers/mfd Alan Cox
2006-09-18  9:43   ` Alan Cox
2006-09-21  6:11 ` [KJ] kmalloc to kzalloc patches for drivers/block [sane version] Om Narasimhan
2006-09-21  6:11   ` Om Narasimhan
2006-09-21  7:20   ` [KJ] " Nishanth Aravamudan
2006-09-21  7:20     ` Nishanth Aravamudan
2006-09-22  5:40     ` Om Narasimhan
2006-09-22  5:40       ` Om Narasimhan
2006-09-22  6:04       ` Om Narasimhan
2006-09-22  6:04         ` Om Narasimhan
2006-09-22  8:43         ` Jiri Slaby
2006-09-22  8:43           ` Jiri Slaby
2006-09-22 11:32           ` Paulo Marques [this message]
2006-09-22 11:32             ` Paulo Marques
2006-09-22 12:03             ` Pekka Enberg
2006-09-22 12:03               ` Pekka Enberg
2006-09-22 13:03               ` Paulo Marques
2006-09-22 13:03                 ` Paulo Marques
2006-09-22 13:45                 ` Dmitry Torokhov
2006-09-22 13:45                   ` Dmitry Torokhov
2006-09-22 22:55                   ` Om Narasimhan
2006-09-22 22:55                     ` Om Narasimhan
2006-09-22  8:36       ` Jiri Slaby
2006-09-22  8:36         ` Jiri Slaby
2006-09-22 11:28         ` Paulo Marques
2006-09-22 11:28           ` Paulo Marques
2006-09-21  7:12 ` [KJ] kmalloc to kzalloc patches for drivers/atm " Om Narasimhan
2006-09-21  7:12   ` Om Narasimhan
2006-09-21 13:36   ` [KJ] " Dmitry Torokhov
2006-09-21 13:36     ` Dmitry Torokhov
2006-09-22  5:29     ` [KJ] " Om Narasimhan
2006-09-22  5:29       ` Om Narasimhan
2006-09-21  7:35 ` [KJ] kmalloc to kzalloc patches for drivers/block " Thomas Petazzoni

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