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xen-devel
RE: [Xen-devel] Page Sharing
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To: |
ash win <ash_win012006@xxxxxxxxx>, tmem-devel@xxxxxxxxxxxxxx |
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Subject: |
RE: [Xen-devel] Page Sharing |
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From: |
Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> |
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Date: |
Mon, 13 Sep 2010 09:40:15 -0700 (PDT) |
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Cc: |
Xen-devel@xxxxxxxxxxxxxxxxxxx, tmem-devel@xxxxxxxxxxxxxx, Kurt Hackel <kurt.hackel@xxxxxxxxxx>, v.tolstov@xxxxxxxxx, Dave Mccracken <dave.mccracken@xxxxxxxxxx>, Chris Mason <chris.mason@xxxxxxxxxx> |
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Mon, 13 Sep 2010 09:41:52 -0700 |
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> From: ash win [mailto:ash_win012006@xxxxxxxxx]
> Sent: Sunday, September 12, 2010 12:01 AM
> To: tmem-devel@xxxxxxxxxxxxxx
> Cc: Xen-devel@xxxxxxxxxxxxxxxxxxx; tmem-devel@xxxxxxxxxxxxxx; Kurt
> Hackel; v.tolstov@xxxxxxxxx; Dave Mccracken; Chris Mason
> Subject: [Xen-devel] Page Sharing
>
> In tmem only ephemeral pages are shared.Why does persistent pages are
> not shared?
I think I answered your question here (though I see you are
using a different email address?)
http://lists.xensource.com/archives/html/xen-devel/2010-08/msg01965.html
> not shared? Does this shared pages include both code and data segment
> for x86 architecture.
I think you are confusing tmem with transparent page sharing. They have
similar objectives but are very different.
> How is the sharing done in other architecture.?
Tmem deduplication is architecture-independent.
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