Re: [PATCH 5/5] add ksm kernel shared memory driver.

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Subject: Re: [PATCH 5/5] add ksm kernel shared memory driver.
From: Chris Wright <chrisw@xxxxxxxxxx>
Date: Wed, 13 May 2009 16:25:20 -0700
Cc: Izik Eidus <ieidus@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, kvm@xxxxxxxxxxxxxxx, avi@xxxxxxxxxx, aarcange@xxxxxxxxxx, chrisw@xxxxxxxxxx, mtosatti@xxxxxxxxxx, hugh@xxxxxxxxxxx
In-reply-to: <20090513161739.d801ab67.akpm@xxxxxxxxxxxxxxxxxxxx>
References: <1240191366-10029-1-git-send-email-ieidus@xxxxxxxxxx> <1240191366-10029-2-git-send-email-ieidus@xxxxxxxxxx> <1240191366-10029-3-git-send-email-ieidus@xxxxxxxxxx> <1240191366-10029-4-git-send-email-ieidus@xxxxxxxxxx> <1240191366-10029-5-git-send-email-ieidus@xxxxxxxxxx> <1240191366-10029-6-git-send-email-ieidus@xxxxxxxxxx> <20090513161739.d801ab67.akpm@xxxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.18 (2008-05-17)

* Andrew Morton (akpm@xxxxxxxxxxxxxxxxxxxx) wrote:
> Breaks ppc64 allmodcofnig because that architecture doesn't export its
> copy_user_page() to modules.

Things like this and updating to use madvise() I think all point towards
s/tristate/bool/.  I don't think CONFIG_KSM=M has huge benefit.

thanks,
-chris
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Follow-Ups:
- Re: [PATCH 5/5] add ksm kernel shared memory driver.
  - From: Anthony Liguori

References:
- [PATCH 0/5] ksm - dynamic page sharing driver for linux v4
  - From: Izik Eidus
- [PATCH 1/5] MMU_NOTIFIERS: add set_pte_at_notify()
  - From: Izik Eidus
- [PATCH 2/5] add get_pte(): helper function: fetching pte for va
  - From: Izik Eidus
- [PATCH 3/5] add page_wrprotect(): write protecting page.
  - From: Izik Eidus
- [PATCH 4/5] add replace_page(): change the page pte is pointing to.
  - From: Izik Eidus
- [PATCH 5/5] add ksm kernel shared memory driver.
  - From: Izik Eidus
- Re: [PATCH 5/5] add ksm kernel shared memory driver.
  - From: Andrew Morton

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