balloon: the balloon driver's proc entry needs CONFIG_PROC_FS
CONFIG_PROC_FS is needed in order to compile the proc entry portion
of the baloon driver. I believe that the rest of the driver is still
fully functional with this change.
Signed-Off-By: Horms <horms@xxxxxxxxxxxx>
linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c | 6 ++++++
1 file changed, 6 insertions(+)
--- x/linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c
+++ x/linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c
@@ -58,7 +58,9 @@
#define PAGES2KB(_p) ((_p)<<(PAGE_SHIFT-10))
+#ifdef CONFIG_PROC_FS
static struct proc_dir_entry *balloon_pde;
+#endif
static DECLARE_MUTEX(balloon_mutex);
@@ -403,6 +405,7 @@ static int balloon_init_watcher(struct n
return NOTIFY_DONE;
}
+#ifdef CONFIG_PROC_FS
static int balloon_write(struct file *file, const char __user *buffer,
unsigned long count, void *data)
{
@@ -456,6 +459,7 @@ static int balloon_read(char *page, char
*eof = 1;
return len;
}
+#endif
static struct notifier_block xenstore_notifier;
@@ -481,6 +485,7 @@ static int __init balloon_init(void)
balloon_timer.data = 0;
balloon_timer.function = balloon_alarm;
+#ifdef CONFIG_PROC_FS
if ((balloon_pde = create_xen_proc_entry("balloon", 0644)) == NULL) {
WPRINTK("Unable to create /proc/xen/balloon.\n");
return -1;
@@ -488,6 +493,7 @@ static int __init balloon_init(void)
balloon_pde->read_proc = balloon_read;
balloon_pde->write_proc = balloon_write;
+#endif
/* Initialise the balloon with excess memory space. */
for (pfn = xen_start_info->nr_pages; pfn < max_pfn; pfn++) {
--
Horms http://www.vergenet.net/~horms/
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