From: Christoph Lameter <clameter@sgi.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
Andrew Morton <akpm@linux-foundation.org>,
"balbir@linux.vnet.ibm.com" <balbir@linux.vnet.ibm.com>,
"yamamoto@valinux.co.jp" <yamamoto@valinux.co.jp>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"containers@lists.osdl.org" <containers@lists.osdl.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [3/10] per-zone active inactive counter
Date: Wed, 28 Nov 2007 19:26:29 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.64.0711281924580.20367@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20071129121834.c18ff796.kamezawa.hiroyu@jp.fujitsu.com>
On Thu, 29 Nov 2007, KAMEZAWA Hiroyuki wrote:
> ok, just use N_HIGH_MEMORY here and add comment for hotplugging support is not yet.
>
> Christoph-san, Lee-san, could you confirm following ?
>
> - when SLAB is used, kmalloc_node() against offline node will success.
> - when SLUB is used, kmalloc_node() against offline node will panic.
>
> Then, the caller should take care that node is online before kmalloc().
Hmmmm... An offline node implies that the per node structure does not
exist. SLAB should fail too. If there is something wrong with the allocs
then its likely a difference in the way hotplug was put into SLAB and
SLUB.
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next prev parent reply other threads:[~2007-11-29 3:26 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-27 2:55 [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [0/10] introduction KAMEZAWA Hiroyuki
2007-11-27 2:58 ` [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [1/10] add scan_global_lru macro KAMEZAWA Hiroyuki
2007-11-27 2:59 ` [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [2/10] nid/zid helper function for cgroup KAMEZAWA Hiroyuki
2007-11-27 3:00 ` [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [3/10] per-zone active inactive counter KAMEZAWA Hiroyuki
2007-11-28 21:19 ` Lee Schermerhorn
2007-11-29 1:37 ` KAMEZAWA Hiroyuki
2007-11-29 2:24 ` KAMEZAWA Hiroyuki
2007-11-29 3:18 ` KAMEZAWA Hiroyuki
2007-11-29 3:26 ` Christoph Lameter [this message]
2007-11-29 3:19 ` YAMAMOTO Takashi
2007-11-29 3:25 ` KAMEZAWA Hiroyuki
2007-11-29 3:33 ` YAMAMOTO Takashi
2007-11-29 3:42 ` KAMEZAWA Hiroyuki
2007-11-27 3:01 ` [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [4/10] calculate mapper_ratio per cgroup KAMEZAWA Hiroyuki
2007-11-27 3:03 ` [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [5/10] calculate active/inactive imbalance " KAMEZAWA Hiroyuki
2007-11-27 3:04 ` [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [6/10] remember reclaim priority in memory cgroup KAMEZAWA Hiroyuki
2007-11-27 3:06 ` [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [7/10] calculate the number of pages to be scanned per cgroup KAMEZAWA Hiroyuki
2007-11-27 3:08 ` [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [8/10] modifies vmscan.c for isolate globa/cgroup lru activity KAMEZAWA Hiroyuki
2007-11-27 3:10 ` [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [9/10] per zone lru for cgroup KAMEZAWA Hiroyuki
2007-11-27 3:11 ` [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [10/10] per-zone-lock " KAMEZAWA Hiroyuki
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