From: Yasunori Goto <ygoto@us.fujitsu.com>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: Linux Kernel ML <linux-kernel@vger.kernel.org>,
Linux Hotplug Memory Support <lhms-devel@lists.sourceforge.net>,
Linux-Node-Hotplug <lhns-devel@lists.sourceforge.net>,
linux-mm <linux-mm@kvack.org>,
"BRADLEY CHRISTIANSEN [imap]" <bradc1@us.ibm.com>
Subject: Re: [Lhms-devel] Re: Merging Nonlinear and Numa style memory hotplug
Date: Fri, 25 Jun 2004 13:45:30 -0700 [thread overview]
Message-ID: <20040625121110.2937.YGOTO@us.fujitsu.com> (raw)
In-Reply-To: <1088189973.29059.231.camel@nighthawk>
> > Are you sure that all architectures need phys_section?
>
> You don't *need* it, but the alternative is a scan of the mem_section[]
> array, which would be much, much slower.
>
> Do you have an idea for an alternate implementation?
I didn't find that scan of the mem_section[] is necessary.
I thought just that mem_section index = phys_section index.
May I ask why scan of mem_section is necessary?
I might still have misunderstood something.
--
Yasunori Goto <ygoto at us.fujitsu.com>
WARNING: multiple messages have this Message-ID (diff)
From: Yasunori Goto <ygoto@us.fujitsu.com>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: Linux Kernel ML <linux-kernel@vger.kernel.org>,
Linux Hotplug Memory Support <lhms-devel@lists.sourceforge.net>,
Linux-Node-Hotplug <lhns-devel@lists.sourceforge.net>,
linux-mm <linux-mm@kvack.org>,
"BRADLEY CHRISTIANSEN [imap]" <bradc1@us.ibm.com>
Subject: Re: [Lhms-devel] Re: Merging Nonlinear and Numa style memory hotplug
Date: Fri, 25 Jun 2004 13:45:30 -0700 [thread overview]
Message-ID: <20040625121110.2937.YGOTO@us.fujitsu.com> (raw)
In-Reply-To: <1088189973.29059.231.camel@nighthawk>
> > Are you sure that all architectures need phys_section?
>
> You don't *need* it, but the alternative is a scan of the mem_section[]
> array, which would be much, much slower.
>
> Do you have an idea for an alternate implementation?
I didn't find that scan of the mem_section[] is necessary.
I thought just that mem_section index = phys_section index.
May I ask why scan of mem_section is necessary?
I might still have misunderstood something.
--
Yasunori Goto <ygoto at us.fujitsu.com>
--
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next prev parent reply other threads:[~2004-06-25 20:46 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-22 19:00 Merging Nonlinear and Numa style memory hotplug Yasunori Goto
2004-06-22 19:00 ` Yasunori Goto
2004-06-23 22:32 ` [Lhns-devel] " Dave Hansen
2004-06-23 22:32 ` Dave Hansen
2004-06-24 3:04 ` Yasunori Goto
2004-06-24 3:04 ` Yasunori Goto
2004-06-24 3:26 ` Dave Hansen
2004-06-24 3:26 ` Dave Hansen
2004-06-24 13:28 ` [Lhms-devel] " Dave Hansen
2004-06-24 13:28 ` Dave Hansen
2004-06-24 22:19 ` Yasunori Goto
2004-06-24 22:19 ` Yasunori Goto
2004-06-24 22:37 ` Dave Hansen
2004-06-24 22:37 ` Dave Hansen
2004-06-25 3:11 ` [Lhms-devel] " Yasunori Goto
2004-06-25 3:11 ` Yasunori Goto
2004-06-25 3:19 ` Dave Hansen
2004-06-25 3:19 ` Dave Hansen
2004-06-25 18:48 ` Yasunori Goto
2004-06-25 18:48 ` Yasunori Goto
2004-06-25 18:59 ` Dave Hansen
2004-06-25 18:59 ` Dave Hansen
2004-06-25 20:45 ` Yasunori Goto [this message]
2004-06-25 20:45 ` Yasunori Goto
2004-06-25 20:49 ` Dave Hansen
2004-06-25 20:49 ` Dave Hansen
2004-06-25 20:54 ` Dave Hansen
2004-06-25 20:54 ` Dave Hansen
2004-06-25 4:49 ` [Lhms-devel] Re: [Lhns-devel] " Shai Fultheim
2004-06-25 4:49 ` Shai Fultheim
2004-06-25 15:16 ` Dave Hansen
2004-06-25 15:16 ` Dave Hansen
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