Re: maybe revert commit c275a57f5ec3 "xen/balloon: Set balloon's initial state to number of existing RAM pages"

From	Boris Ostrovsky <boris.ostrovsky@oracle.com>
Newsgroups	linux.kernel
Subject	Re: maybe revert commit c275a57f5ec3 "xen/balloon: Set balloon's initial state to number of existing RAM pages"
Date	2017-03-25 02:40 +0100
Message-ID	<toIQp-1P9-1@gated-at.bofh.it> (permalink)
References	<tnVPI-nl-15@gated-at.bofh.it> <to0w1-3Qh-17@gated-at.bofh.it> <toEa5-6Td-13@gated-at.bofh.it> <toEMN-7q1-15@gated-at.bofh.it> <toEWt-7xX-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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>
> I think we can all agree that the *ideal* situation would be, for the
> balloon driver to not immediately hotplug memory so it can add 11 more
> pages, so maybe I just need to figure out why the balloon driver
> thinks it needs 11 more pages, and fix that.


How does the new memory appear in the guest? Via online_pages()?

Or is ballooning triggered from watch_target()?

-boris

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maybe revert commit c275a57f5ec3 "xen/balloon: Set balloon's initial  state to number of existing RAM pages" Dan Streetman <dan.streetman@canonical.com> - 2017-03-22 22:20 +0100
  Re: maybe revert commit c275a57f5ec3 "xen/balloon: Set balloon's  initial state to number of existing RAM pages" Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-03-23 03:20 +0100
    Re: maybe revert commit c275a57f5ec3 "xen/balloon: Set balloon's  initial state to number of existing RAM pages" Juergen Gross <jgross@suse.com> - 2017-03-23 09:00 +0100
      Re: maybe revert commit c275a57f5ec3 "xen/balloon: Set balloon's  initial state to number of existing RAM pages" Dan Streetman <dan.streetman@canonical.com> - 2017-03-24 21:40 +0100
    Re: maybe revert commit c275a57f5ec3 "xen/balloon: Set balloon's  initial state to number of existing RAM pages" Dan Streetman <dan.streetman@canonical.com> - 2017-03-24 21:40 +0100
      Re: maybe revert commit c275a57f5ec3 "xen/balloon: Set balloon's  initial state to number of existing RAM pages" Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2017-03-24 22:20 +0100
        Re: maybe revert commit c275a57f5ec3 "xen/balloon: Set balloon's  initial state to number of existing RAM pages" Dan Streetman <dan.streetman@canonical.com> - 2017-03-24 22:30 +0100
          Re: maybe revert commit c275a57f5ec3 "xen/balloon: Set balloon's  initial state to number of existing RAM pages" Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-03-25 02:40 +0100

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