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Re: [PATCH 8/8] Per-container pages reclamation [message #13663 is a reply to message #13662]

Fri, 01 June 2007 09:23

Balbir Singh
Messages: 491
Registered: August 2006

Senior Member

Pavel Emelianov wrote:
> 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

Exactly!

--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL

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[Message index]

		[PATCH 0/8] RSS controller based on process containers (v3) By: Pavel Emelianov on Wed, 30 May 2007 15:24
		[PATCH 4/8] RSS container core By: Pavel Emelianov on Wed, 30 May 2007 15:27
		Re: [PATCH 4/8] RSS container core By: Andrew Morton on Wed, 30 May 2007 21:46
		Re: [PATCH 4/8] RSS container core By: Pavel Emelianov on Thu, 31 May 2007 08:57
		[PATCH 5/8] RSS accounting hooks over the code By: Pavel Emelianov on Wed, 30 May 2007 15:29
		Re: [PATCH 5/8] RSS accounting hooks over the code By: Andrew Morton on Wed, 30 May 2007 21:46
		Re: [PATCH 5/8] RSS accounting hooks over the code By: Balbir Singh on Fri, 01 June 2007 06:48
		[PATCH 6/8] Per container OOM killer By: Pavel Emelianov on Wed, 30 May 2007 15:31
		[PATCH 7/8] Scanner changes needed to implement per-container scanner By: Pavel Emelianov on Wed, 30 May 2007 15:35
		Re: [PATCH 7/8] Scanner changes needed to implement per-container scanner By: Andrew Morton on Wed, 30 May 2007 21:46
		Re: [PATCH 7/8] Scanner changes needed to implement per-container scanner By: Balbir Singh on Fri, 01 June 2007 06:50
		Re: [PATCH 7/8] Scanner changes needed to implement per-container scanner By: Pavel Emelianov on Fri, 01 June 2007 07:36
		Re: [PATCH 7/8] Scanner changes needed to implement per-container scanner By: Balbir Singh on Fri, 01 June 2007 07:38
		[PATCH 8/8] Per-container pages reclamation By: Pavel Emelianov on Wed, 30 May 2007 15:38
		Re: [PATCH 8/8] Per-container pages reclamation By: Andrew Morton on Wed, 30 May 2007 21:47
		Re: [PATCH 8/8] Per-container pages reclamation By: Vaidyanathan Srinivas on Thu, 31 May 2007 08:22
		Re: [PATCH 8/8] Per-container pages reclamation By: Balbir Singh on Thu, 31 May 2007 09:22
		Re: [PATCH 8/8] Per-container pages reclamation By: Pavel Emelianov on Fri, 01 June 2007 09:23
		Re: [PATCH 8/8] Per-container pages reclamation By: Balbir Singh on Fri, 01 June 2007 09:23
		Re: [PATCH 8/8] Per-container pages reclamation By: Pavel Emelianov on Thu, 31 May 2007 10:31
		Re: [PATCH 8/8] Per-container pages reclamation By: Andrew Morton on Thu, 31 May 2007 17:58
		Re: [PATCH 8/8] Per-container pages reclamation By: Pavel Emelianov on Fri, 01 June 2007 07:40
		Re: [PATCH 8/8] Per-container pages reclamation By: Andrew Morton on Fri, 01 June 2007 07:49
		Re: [PATCH 8/8] Per-container pages reclamation By: Balbir Singh on Fri, 01 June 2007 07:02
		Re: [PATCH 8/8] Per-container pages reclamation By: Pavel Emelianov on Fri, 01 June 2007 07:47

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