From: Christoph Lameter <cl@linux-foundation.org>
To: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Andy Whitcroft <apw@shadowen.org>,
Yasunori Goto <y-goto@jp.fujitsu.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Dave Hansen <haveblue@us.ibm.com>
Subject: Re: [PATCH] Make CONFIG_MIGRATION available for s390
Date: Mon, 07 Jul 2008 11:53:55 -0500 [thread overview]
Message-ID: <48724A23.5020705@linux-foundation.org> (raw)
In-Reply-To: <1215448906.8431.52.camel@localhost.localdomain>
Gerald Schaefer wrote:
> It seems to me that this policy_zone check in vma_migratable() is not
> called at all for the offline_pages() case, only for some NUMA system calls
> that we don't support on s390. As Yasunori Goto said, page isolation checks
> should do the job for memory hotremove via offline_pages(), independent from
> any policy_zone setting. Any more thoughts on this?
Please rename the function to vma_policy_migratable() and then create a new function
vma_migratable() that checks for migratability independent of memory policies.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Lameter <cl@linux-foundation.org>
To: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Andy Whitcroft <apw@shadowen.org>,
Yasunori Goto <y-goto@jp.fujitsu.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Dave Hansen <haveblue@us.ibm.com>
Subject: Re: [PATCH] Make CONFIG_MIGRATION available for s390
Date: Mon, 07 Jul 2008 11:53:55 -0500 [thread overview]
Message-ID: <48724A23.5020705@linux-foundation.org> (raw)
In-Reply-To: <1215448906.8431.52.camel@localhost.localdomain>
Gerald Schaefer wrote:
> It seems to me that this policy_zone check in vma_migratable() is not
> called at all for the offline_pages() case, only for some NUMA system calls
> that we don't support on s390. As Yasunori Goto said, page isolation checks
> should do the job for memory hotremove via offline_pages(), independent from
> any policy_zone setting. Any more thoughts on this?
Please rename the function to vma_policy_migratable() and then create a new function
vma_migratable() that checks for migratability independent of memory policies.
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next prev parent reply other threads:[~2008-07-07 16:57 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-06 14:35 [PATCH] Make CONFIG_MIGRATION available for s390 Gerald Schaefer
2008-07-06 14:35 ` [PATCH] Make CONFIG_MIGRATION available for s390, " Gerald Schaefer
2008-07-07 6:22 ` Yasunori Goto
2008-07-07 6:22 ` Yasunori Goto
2008-07-07 9:16 ` Andy Whitcroft
2008-07-07 9:16 ` Andy Whitcroft
2008-07-07 10:24 ` Yasunori Goto
2008-07-07 10:24 ` Yasunori Goto
2008-07-07 16:41 ` Gerald Schaefer
2008-07-07 16:41 ` Gerald Schaefer
2008-07-07 16:53 ` Christoph Lameter [this message]
2008-07-07 16:53 ` Christoph Lameter
2008-07-07 15:09 ` Christoph Lameter
2008-07-07 15:09 ` Christoph Lameter
2008-07-07 17:28 ` Gerald Schaefer
2008-07-07 17:28 ` Gerald Schaefer
2008-07-07 17:38 ` Christoph Lameter
2008-07-07 17:38 ` Christoph Lameter
2008-07-07 18:25 ` Gerald Schaefer
2008-07-07 18:25 ` Gerald Schaefer
2008-07-07 18:32 ` Christoph Lameter
2008-07-07 18:32 ` Christoph Lameter
2008-07-08 10:50 ` [PATCH] Make CONFIG_MIGRATION available w/o NUMA Gerald Schaefer
2008-07-08 10:50 ` Gerald Schaefer
2008-07-08 13:35 ` Christoph Lameter
2008-07-08 13:35 ` Christoph Lameter
2008-07-08 13:47 ` Christoph Lameter
2008-07-08 13:47 ` Christoph Lameter
2008-07-11 13:05 ` Gerald Schaefer
2008-07-11 13:05 ` Gerald Schaefer
-- strict thread matches above, loose matches on Subject: below --
2008-07-04 14:58 [PATCH] Make CONFIG_MIGRATION available for s390 Gerald Schaefer
2008-07-05 4:02 ` KAMEZAWA Hiroyuki
2008-07-05 4:02 ` KAMEZAWA Hiroyuki
2008-07-05 6:14 ` Yasunori Goto
2008-07-05 6:14 ` Yasunori Goto
2008-07-06 14:30 ` Gerald Schaefer
2008-07-06 14:30 ` Gerald Schaefer
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