From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Robin Holt <holt@sgi.com>
Cc: Greg KH <greg@kroah.com>,
steiner@sgi.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Balbir Singh <balbir@linux.vnet.ibm.com>
Subject: Re: [PATCH 7/9] v3 Define memory_block_size_bytes for powerpc/pseries
Date: Sun, 03 Oct 2010 11:11:01 -0700 [thread overview]
Message-ID: <1286129461.9970.1.camel@nimitz> (raw)
In-Reply-To: <20101003180731.GT14064@sgi.com>
On Sun, 2010-10-03 at 13:07 -0500, Robin Holt wrote:
> On Sun, Oct 03, 2010 at 11:25:00PM +0530, Balbir Singh wrote:
> > * Nathan Fontenot <nfont@austin.ibm.com> [2010-10-01 13:35:54]:
> >
> > > Define a version of memory_block_size_bytes() for powerpc/pseries such that
> > > a memory block spans an entire lmb.
> >
> > I hope I am not missing anything obvious, but why not just call it
> > lmb_size, why do we need memblock_size?
> >
> > Is lmb_size == memblock_size after your changes true for all
> > platforms?
>
> What is an lmb? I don't recall anything like lmb being referred to in
> the rest of the kernel.
Heh. It's the OpenFirmware name for a Logical Memory Block. Basically
what we use to determine the SECTION_SIZE on powerpc. Probably not the
best terminology to use elsewhere in the kernel.
-- Dave
WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Robin Holt <holt@sgi.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>,
Nathan Fontenot <nfont@austin.ibm.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linuxppc-dev@lists.ozlabs.org, Greg KH <greg@kroah.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
steiner@sgi.com
Subject: Re: [PATCH 7/9] v3 Define memory_block_size_bytes for powerpc/pseries
Date: Sun, 03 Oct 2010 11:11:01 -0700 [thread overview]
Message-ID: <1286129461.9970.1.camel@nimitz> (raw)
In-Reply-To: <20101003180731.GT14064@sgi.com>
On Sun, 2010-10-03 at 13:07 -0500, Robin Holt wrote:
> On Sun, Oct 03, 2010 at 11:25:00PM +0530, Balbir Singh wrote:
> > * Nathan Fontenot <nfont@austin.ibm.com> [2010-10-01 13:35:54]:
> >
> > > Define a version of memory_block_size_bytes() for powerpc/pseries such that
> > > a memory block spans an entire lmb.
> >
> > I hope I am not missing anything obvious, but why not just call it
> > lmb_size, why do we need memblock_size?
> >
> > Is lmb_size == memblock_size after your changes true for all
> > platforms?
>
> What is an lmb? I don't recall anything like lmb being referred to in
> the rest of the kernel.
Heh. It's the OpenFirmware name for a Logical Memory Block. Basically
what we use to determine the SECTION_SIZE on powerpc. Probably not the
best terminology to use elsewhere in the kernel.
-- Dave
WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Robin Holt <holt@sgi.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>,
Nathan Fontenot <nfont@austin.ibm.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linuxppc-dev@lists.ozlabs.org, Greg KH <greg@kroah.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
steiner@sgi.com
Subject: Re: [PATCH 7/9] v3 Define memory_block_size_bytes for powerpc/pseries
Date: Sun, 03 Oct 2010 11:11:01 -0700 [thread overview]
Message-ID: <1286129461.9970.1.camel@nimitz> (raw)
In-Reply-To: <20101003180731.GT14064@sgi.com>
On Sun, 2010-10-03 at 13:07 -0500, Robin Holt wrote:
> On Sun, Oct 03, 2010 at 11:25:00PM +0530, Balbir Singh wrote:
> > * Nathan Fontenot <nfont@austin.ibm.com> [2010-10-01 13:35:54]:
> >
> > > Define a version of memory_block_size_bytes() for powerpc/pseries such that
> > > a memory block spans an entire lmb.
> >
> > I hope I am not missing anything obvious, but why not just call it
> > lmb_size, why do we need memblock_size?
> >
> > Is lmb_size == memblock_size after your changes true for all
> > platforms?
>
> What is an lmb? I don't recall anything like lmb being referred to in
> the rest of the kernel.
Heh. It's the OpenFirmware name for a Logical Memory Block. Basically
what we use to determine the SECTION_SIZE on powerpc. Probably not the
best terminology to use elsewhere in the kernel.
-- Dave
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next prev parent reply other threads:[~2010-10-03 18:11 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-01 18:22 [PATCH 0/9] v3 De-couple sysfs memory directories from memory sections Nathan Fontenot
2010-10-01 18:22 ` Nathan Fontenot
2010-10-01 18:22 ` Nathan Fontenot
2010-10-01 18:28 ` [PATCH 1/9] v3 Move find_memory_block routine Nathan Fontenot
2010-10-01 18:28 ` Nathan Fontenot
2010-10-01 18:28 ` Nathan Fontenot
2010-10-01 18:40 ` Robin Holt
2010-10-01 18:40 ` Robin Holt
2010-10-01 18:40 ` Robin Holt
2010-10-05 5:01 ` KAMEZAWA Hiroyuki
2010-10-05 5:01 ` KAMEZAWA Hiroyuki
2010-10-05 5:01 ` KAMEZAWA Hiroyuki
2010-10-01 18:29 ` [PATCH 2/9] v3 Add mutex for adding/removing memory blocks Nathan Fontenot
2010-10-01 18:29 ` Nathan Fontenot
2010-10-01 18:29 ` Nathan Fontenot
2010-10-01 18:45 ` Robin Holt
2010-10-01 18:45 ` Robin Holt
2010-10-01 18:45 ` Robin Holt
2010-10-05 5:06 ` KAMEZAWA Hiroyuki
2010-10-05 5:06 ` KAMEZAWA Hiroyuki
2010-10-05 5:06 ` KAMEZAWA Hiroyuki
2010-10-01 18:30 ` [PATCH 3/9] v3 Add section count to memory_block struct Nathan Fontenot
2010-10-01 18:30 ` Nathan Fontenot
2010-10-01 18:30 ` Nathan Fontenot
2010-10-01 18:46 ` Robin Holt
2010-10-01 18:46 ` Robin Holt
2010-10-01 18:46 ` Robin Holt
2010-10-05 5:08 ` KAMEZAWA Hiroyuki
2010-10-05 5:08 ` KAMEZAWA Hiroyuki
2010-10-05 5:08 ` KAMEZAWA Hiroyuki
2010-10-01 18:31 ` [PATCH 4/9] v3 Allow memory blocks to span multiple memory sections Nathan Fontenot
2010-10-01 18:31 ` Nathan Fontenot
2010-10-01 18:31 ` Nathan Fontenot
2010-10-01 18:52 ` Robin Holt
2010-10-01 18:52 ` Robin Holt
2010-10-01 18:52 ` Robin Holt
2010-10-01 18:56 ` Nathan Fontenot
2010-10-01 18:56 ` Nathan Fontenot
2010-10-01 18:56 ` Nathan Fontenot
2010-10-01 19:00 ` Nathan Fontenot
2010-10-01 19:00 ` Nathan Fontenot
2010-10-01 19:00 ` Nathan Fontenot
2010-10-01 19:20 ` Robin Holt
2010-10-01 19:20 ` Robin Holt
2010-10-01 19:20 ` Robin Holt
2010-10-05 5:13 ` KAMEZAWA Hiroyuki
2010-10-05 5:13 ` KAMEZAWA Hiroyuki
2010-10-05 5:13 ` KAMEZAWA Hiroyuki
2010-10-01 18:33 ` [PATCH 5/9] v3 rename phys_index properties of memory block struct Nathan Fontenot
2010-10-01 18:33 ` Nathan Fontenot
2010-10-01 18:33 ` Nathan Fontenot
2010-10-01 18:54 ` Robin Holt
2010-10-01 18:54 ` Robin Holt
2010-10-01 18:54 ` Robin Holt
2010-10-05 5:14 ` KAMEZAWA Hiroyuki
2010-10-05 5:14 ` KAMEZAWA Hiroyuki
2010-10-05 5:14 ` KAMEZAWA Hiroyuki
2010-10-01 18:34 ` [PATCH 6/9] v3 Update node sysfs code Nathan Fontenot
2010-10-01 18:34 ` Nathan Fontenot
2010-10-01 18:34 ` Nathan Fontenot
2010-10-01 18:55 ` Robin Holt
2010-10-01 18:55 ` Robin Holt
2010-10-01 18:55 ` Robin Holt
2010-10-05 5:15 ` KAMEZAWA Hiroyuki
2010-10-05 5:15 ` KAMEZAWA Hiroyuki
2010-10-05 5:15 ` KAMEZAWA Hiroyuki
2010-10-01 18:35 ` [PATCH 7/9] v3 Define memory_block_size_bytes for powerpc/pseries Nathan Fontenot
2010-10-01 18:35 ` Nathan Fontenot
2010-10-01 18:35 ` Nathan Fontenot
2010-10-01 18:56 ` Robin Holt
2010-10-01 18:56 ` Robin Holt
2010-10-01 18:56 ` Robin Holt
2010-10-03 17:55 ` Balbir Singh
2010-10-03 17:55 ` Balbir Singh
2010-10-03 17:55 ` Balbir Singh
2010-10-03 18:07 ` Robin Holt
2010-10-03 18:07 ` Robin Holt
2010-10-03 18:07 ` Robin Holt
2010-10-03 18:11 ` Dave Hansen [this message]
2010-10-03 18:11 ` Dave Hansen
2010-10-03 18:11 ` Dave Hansen
2010-10-03 18:27 ` Balbir Singh
2010-10-03 18:27 ` Balbir Singh
2010-10-03 18:27 ` Balbir Singh
2010-10-04 14:45 ` Nathan Fontenot
2010-10-04 14:45 ` Nathan Fontenot
2010-10-04 14:45 ` Nathan Fontenot
2010-10-01 18:37 ` [PATCH 8/9] v3 Define memory_block_size_bytes for x86_64 with CONFIG_X86_UV set Nathan Fontenot
2010-10-01 18:37 ` Nathan Fontenot
2010-10-01 18:37 ` Nathan Fontenot
2010-10-01 18:57 ` Robin Holt
2010-10-01 18:57 ` Robin Holt
2010-10-01 18:57 ` Robin Holt
2010-10-01 18:37 ` [PATCH 9/9] v3 Update memory hotplug documentation Nathan Fontenot
2010-10-01 18:37 ` Nathan Fontenot
2010-10-01 18:37 ` Nathan Fontenot
2010-10-01 18:58 ` Robin Holt
2010-10-01 18:58 ` Robin Holt
2010-10-01 18:58 ` Robin Holt
2010-10-05 5:18 ` KAMEZAWA Hiroyuki
2010-10-05 5:18 ` KAMEZAWA Hiroyuki
2010-10-05 5:18 ` KAMEZAWA Hiroyuki
2010-10-21 12:05 ` [PATCH 0/9] v3 De-couple sysfs memory directories from memory sections Nikanth Karthikesan
2010-10-21 12:05 ` Nikanth Karthikesan
2010-10-21 12:05 ` Nikanth Karthikesan
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