[PATCH 0/3] hotplug memory remove updates

2008-02-28 Thread Badari Pulavarty
Hi Paul,

Here are the hotplug memory remove updates for 2.6.25-rc2-mm1.

[PATCH 1/3] ppc64-specific remove htab bolted mapping support
[PATCH 2/3] generic __remove_pages() support
[PATCH 3/3] ppc64-specific memory notifier support

As you can see PATCH 1,3 are ppc64-specific. PATCH 1 was already
reviewed by you. Could you please review PATCH 3 and let me know,
if I missing something ?

I would like to submit these for -mm inclusion after your review.

Thanks,
Badari

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Re: [PATCH 0/3] hotplug memory remove updates

2008-02-28 Thread Nathan Lynch
Badari Pulavarty wrote:
 Hi Paul,
 
 Here are the hotplug memory remove updates for 2.6.25-rc2-mm1.

How have these been tested?  Have you initiated a memory remove
operation from the HMC?  That's the only way to catch some bugs...
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Re: [PATCH 0/3] hotplug memory remove updates

2008-02-28 Thread Geoff Levand
Hi.

Nathan Lynch wrote:
 Badari Pulavarty wrote:
 Hi Paul,
 
 Here are the hotplug memory remove updates for 2.6.25-rc2-mm1.
 
 How have these been tested?  Have you initiated a memory remove
 operation from the HMC?  That's the only way to catch some bugs...

I'm wondering how the memory hot un-plug is initiated on the pseries.
Could you tell me about this HMC?  Is it an application running in
the lpar, or is it an external entity?

Is there a 'standard' interface from userspace that can be used to
trigger the hot-unplug sequence?  I'm asking because PS3's lv1
hypervisor supports hot un-plug of memory, but it would need to be
triggered from some kind of management application running in in
userspace.

-Geoff

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Re: [PATCH 0/3] hotplug memory remove updates

2008-02-28 Thread Badari Pulavarty
Nathan Lynch wrote:
 Badari Pulavarty wrote:
   
 Hi Paul,

 Here are the hotplug memory remove updates for 2.6.25-rc2-mm1.
 

 How have these been tested?  Have you initiated a memory remove
 operation from the HMC?  That's the only way to catch some bugs...
   
Yes, They are testing from HMC + running drmgr command manually to 
hash out
all the issues.

Thanks,
Badari

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