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xen/balloon: cancel ballooning if adding new memory failed 

If the balloon driver is adding additional memory regions to the
balloon and add_memory() fails it will likely continuously fail so
cancel the balloon operation.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
David Vrabel 2014-09-01 18:52:44 +01:00
parent 61a734d305
commit 3dcf63677d
1 changed files with 2 additions and 2 deletions
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4
drivers/xen/balloon.c
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@ -230,8 +230,8 @@ static enum bp_state reserve_additional_memory(long credit)
rc = add_memory(nid, hotplug_start_paddr, balloon_hotplug << PAGE_SHIFT);
if (rc) {
pr_info("%s: add_memory() failed: %i\n", __func__, rc);
return BP_EAGAIN;
pr_warn("Cannot add additional memory (%i)\n", rc);
return BP_ECANCELED;
}
balloon_hotplug -= credit;