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Re: [PATCH 2/8] Add container pointer on struct page [message #12021 is a reply to message #11837]

Fri, 13 April 2007 13:56

Jean-Pierre Dion
Messages: 1
Registered: April 2007

Junior Member

Hi Pavel,

I have been implied in the work for the
memory controller of res groups a few months ago.

I see that you propose to modify the struct
page to point to rss container struct.
This has made some debate because of the struct
page size increase, but this allows a quicker
scan to reclaim pages (I mean having per-container
lists of active/inactive pages).
We (here at Bull and others) proposed this implementation
for res groups and I am interested in knowing
if this has a chance of being accepted today (hope so).
I know this uses memory for internal management
and increases a lot the memory size used for
a large memory configuration, but in that case
we have lot of memory, so where is the issue ?
We tested this on a 28 GB server and it worked.
Also we can use larger page size to reduce
the overhead, and I believe this makes sense
on large servers with big memory.

So we balance between using more memory internally
and so getting faster access to pages for reclaim,
or do nothing. ;-)

jean-pierre

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[Message index]

		[PATCH 0/8] RSS controller based on process containers (v2) By: xemul on Mon, 09 April 2007 12:18
		[PATCH 1/8] Resource counters By: xemul on Mon, 09 April 2007 12:31
		[PATCH 2/8] Add container pointer on struct page By: xemul on Mon, 09 April 2007 12:37
		Re: [PATCH 2/8] Add container pointer on struct page By: xemul on Fri, 13 April 2007 14:48
		Re: [PATCH 2/8] Add container pointer on struct page By: Jean-Pierre Dion on Fri, 13 April 2007 13:56
		[PATCH 3/8] Add container pointer on mm_struct By: xemul on Mon, 09 April 2007 12:43
		[PATCH 4/8] RSS container core By: xemul on Mon, 09 April 2007 12:45
		[PATCH 5/8] RSS accounting hooks over the code By: xemul on Mon, 09 April 2007 12:50
		[PATCH 6/8] Per container OOM killer By: xemul on Mon, 09 April 2007 12:52
		[PATCH 7/8] Page scanner changes needed to implement per-container scanner By: xemul on Mon, 09 April 2007 12:57
		[PATCH 8/8] Per-container pages reclamation By: xemul on Mon, 09 April 2007 12:59
		Re: [PATCH 8/8] Per-container pages reclamation By: xemul on Tue, 24 April 2007 10:29
		Re: [PATCH 8/8] Per-container pages reclamation By: Balbir Singh on Tue, 24 April 2007 11:01
		Re: [PATCH 8/8] Per-container pages reclamation By: xemul on Tue, 24 April 2007 11:37
		Re: [PATCH 8/8] Per-container pages reclamation By: Balbir Singh on Tue, 24 April 2007 09:47
		Re: [PATCH 8/8] Per-container pages reclamation By: Balbir Singh on Wed, 02 May 2007 09:51
		Re: [PATCH 8/8] Per-container pages reclamation By: Balbir Singh on Thu, 17 May 2007 11:31
		Re: [PATCH 8/8] Per-container pages reclamation By: xemul on Mon, 21 May 2007 15:15
		Re: [PATCH 8/8] Per-container pages reclamation By: Balbir Singh on Thu, 24 May 2007 07:59
		Re: [PATCH 0/8] RSS controller based on process containers (v2) By: Peter Zijlstra on Mon, 09 April 2007 15:54
		Re: [PATCH 0/8] RSS controller based on process containers (v2) By: xemul on Tue, 10 April 2007 08:27
		Re: [PATCH 0/8] RSS controller based on process containers (v2) By: Vaidyanathan Srinivas on Thu, 19 April 2007 05:37

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