xen/balloon: don't alloc page while non-preemptible

Browse source

get_balloon_scratch_page() disables preemption so we cannot call
alloc_page() in between get/put_balloon_scratch_page().  Shuffle bits
around in decrease_reservation() to avoid this.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

...

This commit is contained in:

David Vrabel 2013-09-19 17:14:53 +01:00 • committed by Konrad Rzeszutek Wilk

parent a945928ea2

commit 24f69373e2

1 changed files with 11 additions and 12 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

23

drivers/xen/balloon.c

View file