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scratch_pad
2013 Sep 19
3
[PATCH] xen/balloon: don't alloc page while non-preemptible
From: David Vrabel <david.vrabel@citrix.com>
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>
---
drivers/xen/balloon.c | 23 +++++++++++------------
1 files changed, 11 i...