Commit 3dcf6367 authored Sep 01, 2014 by David Vrabel

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>

parent 61a734d3

drivers/xen/balloon.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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;