summaryrefslogtreecommitdiffstats
path: root/drivers/xen
diff options
context:
space:
mode:
authorRoss Lagerwall <ross.lagerwall@citrix.com>2016-05-10 10:27:54 +0100
committerDavid Vrabel <david.vrabel@citrix.com>2016-06-23 11:36:15 +0100
commit842775f1509054ea969f1787f38d6a0ec2ccfaba (patch)
treee23edab6046a83d22ac158e7d87eab13b8bf7a8f /drivers/xen
parent33688abb2802ff3a230bd2441f765477b94cc89e (diff)
downloadlinux-842775f1509054ea969f1787f38d6a0ec2ccfaba.tar.bz2
xen/balloon: Fix declared-but-not-defined warning
Fix a declared-but-not-defined warning when building with XEN_BALLOON_MEMORY_HOTPLUG=n. This fixes a regression introduced by commit dfd74a1edfab ("xen/balloon: Fix crash when ballooning on x86 32 bit PAE"). Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com> Acked-by: Juergen Gross <jgross@suse.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/balloon.c28
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index d46839f51e73..e4db19e88ab1 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -151,8 +151,6 @@ static DECLARE_WAIT_QUEUE_HEAD(balloon_wq);
static void balloon_process(struct work_struct *work);
static DECLARE_DELAYED_WORK(balloon_worker, balloon_process);
-static void release_memory_resource(struct resource *resource);
-
/* When ballooning out (allocating memory to return to Xen) we don't really
want the kernel to try too hard since that can trigger the oom killer. */
#define GFP_BALLOON \
@@ -248,6 +246,19 @@ static enum bp_state update_schedule(enum bp_state state)
}
#ifdef CONFIG_XEN_BALLOON_MEMORY_HOTPLUG
+static void release_memory_resource(struct resource *resource)
+{
+ if (!resource)
+ return;
+
+ /*
+ * No need to reset region to identity mapped since we now
+ * know that no I/O can be in this region
+ */
+ release_resource(resource);
+ kfree(resource);
+}
+
static struct resource *additional_memory_resource(phys_addr_t size)
{
struct resource *res;
@@ -286,19 +297,6 @@ static struct resource *additional_memory_resource(phys_addr_t size)
return res;
}
-static void release_memory_resource(struct resource *resource)
-{
- if (!resource)
- return;
-
- /*
- * No need to reset region to identity mapped since we now
- * know that no I/O can be in this region
- */
- release_resource(resource);
- kfree(resource);
-}
-
static enum bp_state reserve_additional_memory(void)
{
long credit;