From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: benh@kernel.crashing.org
Cc: nai.xia@gmail.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, akpm@linux-foundation.org, hughd@google.com,
dave@linux.vnet.ibm.com, kamezawa.hiroyu@jp.fujitsu.com,
lethal@linux-sh.org, linux@arm.linux.org.uk
Subject: Re: mm: convert vma->vm_flags to 64bit
Date: Thu, 10 Nov 2011 16:49:49 -0500 [thread overview]
Message-ID: <4EBC46FD.5010109@jp.fujitsu.com> (raw)
In-Reply-To: <1320959579.21206.24.camel@pasglop>
On 11/10/2011 4:12 PM, Benjamin Herrenschmidt wrote:
> On Thu, 2011-11-10 at 12:22 -0500, KOSAKI Motohiro wrote:
>> On 11/9/2011 11:09 PM, Nai Xia wrote:
>>> Hi all,
>>>
>>> Did this patch get merged at last, or on this way being merged, or
>>> just dropped ?
>>
>> Dropped.
>> Linus said he dislike 64bit enhancement.
>
> Do you have a pointer ? (And a rationale)
>
> I still want to put some arch flags in there at some point...
I'm sorry. I had got a machine crash awhile ago and I don't have
a past mail. If my remember is correctly, Linus said he worry about
an impact against 32bit x86 and he don't think current vm_flags
usage is enough efficient.
Maybe we need to ban useless arch specific flags at first.
WARNING: multiple messages have this Message-ID (diff)
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: benh@kernel.crashing.org
Cc: nai.xia@gmail.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, akpm@linux-foundation.org, hughd@google.com,
dave@linux.vnet.ibm.com, kamezawa.hiroyu@jp.fujitsu.com,
lethal@linux-sh.org, linux@arm.linux.org.uk
Subject: Re: mm: convert vma->vm_flags to 64bit
Date: Thu, 10 Nov 2011 16:49:49 -0500 [thread overview]
Message-ID: <4EBC46FD.5010109@jp.fujitsu.com> (raw)
In-Reply-To: <1320959579.21206.24.camel@pasglop>
On 11/10/2011 4:12 PM, Benjamin Herrenschmidt wrote:
> On Thu, 2011-11-10 at 12:22 -0500, KOSAKI Motohiro wrote:
>> On 11/9/2011 11:09 PM, Nai Xia wrote:
>>> Hi all,
>>>
>>> Did this patch get merged at last, or on this way being merged, or
>>> just dropped ?
>>
>> Dropped.
>> Linus said he dislike 64bit enhancement.
>
> Do you have a pointer ? (And a rationale)
>
> I still want to put some arch flags in there at some point...
I'm sorry. I had got a machine crash awhile ago and I don't have
a past mail. If my remember is correctly, Linus said he worry about
an impact against 32bit x86 and he don't think current vm_flags
usage is enough efficient.
Maybe we need to ban useless arch specific flags at first.
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next prev parent reply other threads:[~2011-11-10 21:49 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-12 6:10 mm: convert vma->vm_flags to 64bit KOSAKI Motohiro
2011-04-12 6:10 ` KOSAKI Motohiro
2011-04-12 6:33 ` Andrew Morton
2011-04-12 6:33 ` Andrew Morton
2011-04-12 7:12 ` KOSAKI Motohiro
2011-04-12 7:12 ` KOSAKI Motohiro
2011-04-12 11:06 ` Alexey Dobriyan
2011-04-12 11:06 ` Alexey Dobriyan
2011-04-12 11:11 ` Alexey Dobriyan
2011-04-12 11:11 ` Alexey Dobriyan
2011-04-12 22:07 ` Benjamin Herrenschmidt
2011-04-12 22:07 ` Benjamin Herrenschmidt
2011-04-13 0:13 ` KOSAKI Motohiro
2011-04-13 0:13 ` KOSAKI Motohiro
2011-04-13 6:44 ` Alexey Dobriyan
2011-04-13 6:44 ` Alexey Dobriyan
2011-04-13 7:00 ` Benjamin Herrenschmidt
2011-04-13 7:00 ` Benjamin Herrenschmidt
2011-04-13 7:29 ` Russell King - ARM Linux
2011-04-13 7:29 ` Russell King - ARM Linux
2011-04-13 8:56 ` Benjamin Herrenschmidt
2011-04-13 8:56 ` Benjamin Herrenschmidt
2011-04-13 8:34 ` KOSAKI Motohiro
2011-04-13 8:34 ` KOSAKI Motohiro
2011-04-13 7:04 ` KOSAKI Motohiro
2011-04-13 7:04 ` KOSAKI Motohiro
2011-04-12 23:41 ` KOSAKI Motohiro
2011-04-12 23:41 ` KOSAKI Motohiro
2011-04-13 2:19 ` [PATCH 1/3] mm: add __nocast attribute to vm_flags KOSAKI Motohiro
2011-04-13 2:19 ` KOSAKI Motohiro
2011-04-13 2:20 ` [PATCH 2/3] fremap: convert vm_flags to unsigned long long KOSAKI Motohiro
2011-04-13 2:20 ` KOSAKI Motohiro
2011-04-13 2:21 ` [PATCH 3/3] procfs: " KOSAKI Motohiro
2011-04-13 2:21 ` KOSAKI Motohiro
2011-04-12 20:30 ` mm: convert vma->vm_flags to 64bit Russell King - ARM Linux
2011-04-12 20:30 ` Russell King - ARM Linux
2011-04-18 0:26 ` Hugh Dickins
2011-04-18 0:26 ` Hugh Dickins
2011-04-18 1:21 ` KOSAKI Motohiro
2011-04-18 1:21 ` KOSAKI Motohiro
2011-04-18 1:45 ` Benjamin Herrenschmidt
2011-04-18 1:45 ` Benjamin Herrenschmidt
2011-04-18 3:34 ` KOSAKI Motohiro
2011-04-18 3:34 ` KOSAKI Motohiro
2011-11-10 4:09 ` Nai Xia
2011-11-10 4:09 ` Nai Xia
2011-11-10 4:49 ` David Rientjes
2011-11-10 4:49 ` David Rientjes
2011-11-11 8:52 ` Russell King - ARM Linux
2011-11-11 8:52 ` Russell King - ARM Linux
2011-11-10 17:22 ` KOSAKI Motohiro
2011-11-10 17:22 ` KOSAKI Motohiro
2011-11-10 21:12 ` Benjamin Herrenschmidt
2011-11-10 21:12 ` Benjamin Herrenschmidt
2011-11-10 21:49 ` KOSAKI Motohiro [this message]
2011-11-10 21:49 ` KOSAKI Motohiro
2011-11-11 8:42 ` Russell King - ARM Linux
2011-11-11 8:42 ` Russell King - ARM Linux
2011-11-11 2:09 ` Hugh Dickins
2011-11-11 2:09 ` Hugh Dickins
2011-11-11 4:31 ` Benjamin Herrenschmidt
2011-11-11 4:31 ` Benjamin Herrenschmidt
2011-11-11 8:38 ` Nai Xia
2011-11-11 8:38 ` Nai Xia
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