Displaying 2 results from an estimated 2 matches for "is_memory_resource_reserv".
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is_memory_resource_reserved
2010 Aug 12
13
[PATCH] GSoC 2010 - Memory hotplug support for Xen guests - third fully working version
...; + .domid = DOMID_SELF
> > + };
> > + unsigned long flags, i, pfn;
> > +
> > + if (nr_pages > ARRAY_SIZE(frame_list))
> > + nr_pages = ARRAY_SIZE(frame_list);
> > +
> > + spin_lock_irqsave(&balloon_lock, flags);
> > +
> > + if (!is_memory_resource_reserved()) {
> > +
> > + /*
> > + * Look for first unused memory region starting at page
> > + * boundary. Skip last memory section created at boot time
> > + * becuase it may contains unused memory pages with PG_reserved
> > + * bit not set (online_pages requ...
2010 Aug 06
5
[PATCH] GSoC 2010 - Memory hotplug support for Xen guests - second fully working version - once again
...N_MEMORY_HOTPLUG
-#include <linux/memory.h>
-#endif
-
#define PAGES2KB(_p) ((_p)<<(PAGE_SHIFT-10))
#define BALLOON_CLASS_NAME "xen_memory"
@@ -199,6 +197,196 @@ static inline unsigned long current_target(void)
{
return balloon_stats.target_pages;
}
+
+static inline u64 is_memory_resource_reserved(void)
+{
+ return balloon_stats.hotplug_start_paddr;
+}
+
+/* we are OK calling __meminit stuff here - we have CONFIG_MEMORY_HOTPLUG */
+static int __ref xen_add_memory(int nid, u64 start, u64 size)
+{
+ pg_data_t *pgdat = NULL;
+ int new_pgdat = 0, ret;
+
+ lock_system_sleep();
+
+ if (!node_onl...