linux-kernel - Re: [PATCH v5 5/7] VMware balloon: Support 2m page ballooning.

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Message-ID: <loom.20150821T155501-659@post.gmane.org>
Date:	Fri, 21 Aug 2015 14:01:54 +0000 (UTC)
From:	Kamalneet Singh <kamalneet@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 5/7] VMware balloon: Support 2m page ballooning.

Philip P. Moltmann <moltmann <at> vmware.com> writes:

...
> Use 2 MB pages as the hypervisor is alwys 64bit and 2 MB is the smallest
> supported super-page size.
> 
> The code has to run on older versions of ESX and old balloon drivers run on
> newer version of ESX. Hence match the capabilities with the host before 2m
> page ballooning could be enabled.

I applied your patchset. Is there any hardware requirement for 2M ballooning?
Or any ESXi  host config? My ESXi 6 installation reports the following
capabilities, which doesn't include 2M balloon size.

balloon capabilities:   0x1e
used capabilities:       0x6

Thanks
Kamal

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