From: Pavel Emelianov <xemul@openvz.org>
To: balbir@linux.vnet.ibm.com,
Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Paul Menage <menage@google.com>, Balbir Singh <balbir@in.ibm.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
devel@openvz.org, Kirill Korotaev <dev@openvz.org>
Subject: Re: [PATCH 8/8] Per-container pages reclamation
Date: Fri, 01 Jun 2007 13:27:24 +0400 [thread overview]
Message-ID: <465FE67C.2040206@openvz.org> (raw)
In-Reply-To: <465E93D7.2020506@linux.vnet.ibm.com>
Balbir Singh wrote:
[snip]
>>>> + for_each_online_node(node) {
>>>> +#ifdef CONFIG_HIGHMEM
>>>> + zones = NODE_DATA(node)->node_zonelists[ZONE_HIGHMEM].zones;
>>>> + if (do_try_to_free_pages(zones, sc.gfp_mask, &sc))
>>>> + return 1;
>>>> +#endif
>>>> + zones = NODE_DATA(node)->node_zonelists[ZONE_NORMAL].zones;
>>>> + if (do_try_to_free_pages(zones, sc.gfp_mask, &sc))
>>>> + return 1;
>>>> + }
>>> Definitely need to handle ZONE_DMA32 and ZONE_DMA (some architectures put
>>> all memory into ZONE_DMA (or they used to))
>
> Won't the node_zonelists[ZONE_NORMAL].zones contain all lower zones (including
> ZONE_DMA and ZONE_DMA32) from various nodes organized by cost?
>
> I need to go lookup the node_zonelists creation.
OK, I've got it. The node's zonelist indexed with ZONE_XXX contains
the zone specified and all the zones beyond it. Thus shrinking from
ZONE_HIGHMEM (ZONE_NORMAL if the latter does not exist) is enough.
Thanks,
Pavel
next prev parent reply other threads:[~2007-06-01 9:22 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-30 15:24 [PATCH 0/8] RSS controller based on process containers (v3) Pavel Emelianov
2007-05-30 15:26 ` [PATCH 1/8] Resource counters Pavel Emelianov
2007-05-30 21:44 ` Andrew Morton
2007-05-30 15:28 ` [PATCH 2/8] Add container pointer on struct page Pavel Emelianov
2007-05-30 21:45 ` Andrew Morton
2007-05-30 15:29 ` [PATCH 3/8] Add container pointer on mm_struct Pavel Emelianov
2007-05-30 21:45 ` Andrew Morton
2007-05-30 15:32 ` [PATCH 4/8] RSS container core Pavel Emelianov
2007-05-30 21:46 ` Andrew Morton
2007-05-31 9:00 ` Pavel Emelianov
2007-05-30 15:34 ` [PATCH 5/8] RSS accounting hooks over the code Pavel Emelianov
2007-05-30 21:46 ` Andrew Morton
2007-06-01 6:48 ` Balbir Singh
2007-05-30 15:35 ` [PATCH 6/8] Per container OOM killer Pavel Emelianov
2007-05-30 15:39 ` [PATCH 7/8] Scanner changes needed to implement per-container scanner Pavel Emelianov
2007-05-30 21:46 ` Andrew Morton
2007-06-01 6:50 ` Balbir Singh
2007-06-01 7:40 ` Pavel Emelianov
2007-06-01 7:38 ` Balbir Singh
2007-05-30 15:42 ` [PATCH 8/8] Per-container pages reclamation Pavel Emelianov
2007-05-30 21:47 ` Andrew Morton
2007-05-31 8:22 ` Vaidyanathan Srinivasan
2007-05-31 9:22 ` Balbir Singh
2007-06-01 9:27 ` Pavel Emelianov [this message]
2007-06-01 9:23 ` Balbir Singh
2007-05-31 10:35 ` Pavel Emelianov
2007-05-31 17:58 ` Andrew Morton
2007-06-01 7:44 ` Pavel Emelianov
2007-06-01 7:49 ` Andrew Morton
2007-06-01 7:02 ` Balbir Singh
2007-06-01 7:50 ` Pavel Emelianov
-- strict thread matches above, loose matches on Subject: below --
2007-04-09 12:22 [PATCH 0/8] RSS controller based on process containers (v2) Pavel Emelianov
2007-04-09 13:02 ` [PATCH 8/8] Per-container pages reclamation Pavel Emelianov
2007-04-24 9:47 ` Balbir Singh
2007-04-24 10:34 ` Pavel Emelianov
2007-04-24 11:01 ` Balbir Singh
2007-04-24 11:37 ` Pavel Emelianov
2007-05-02 9:51 ` Balbir Singh
2007-05-17 11:31 ` Balbir Singh
2007-05-21 15:15 ` Pavel Emelianov
2007-05-24 7:59 ` Balbir Singh
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