summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/memory.h12
-rw-r--r--include/linux/memory_hotplug.h6
2 files changed, 14 insertions, 4 deletions
diff --git a/include/linux/memory.h b/include/linux/memory.h
index 88eb587b5143..aa619464a1df 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -70,6 +70,13 @@ struct memory_block {
unsigned long state; /* serialized by the dev->lock */
int online_type; /* for passing data to online routine */
int nid; /* NID for this memory block */
+ /*
+ * The single zone of this memory block if all PFNs of this memory block
+ * that are System RAM (not a memory hole, not ZONE_DEVICE ranges) are
+ * managed by a single zone. NULL if multiple zones (including nodes)
+ * apply.
+ */
+ struct zone *zone;
struct device dev;
/*
* Number of vmemmap pages. These pages
@@ -161,6 +168,11 @@ int walk_dynamic_memory_groups(int nid, walk_memory_groups_func_t func,
})
#define register_hotmemory_notifier(nb) register_memory_notifier(nb)
#define unregister_hotmemory_notifier(nb) unregister_memory_notifier(nb)
+
+#ifdef CONFIG_NUMA
+void memory_block_add_nid(struct memory_block *mem, int nid,
+ enum meminit_context context);
+#endif /* CONFIG_NUMA */
#endif /* CONFIG_MEMORY_HOTPLUG */
/*
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 76bf2de86def..1ce6f8044f1e 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -163,8 +163,6 @@ extern int mhp_init_memmap_on_memory(unsigned long pfn, unsigned long nr_pages,
extern void mhp_deinit_memmap_on_memory(unsigned long pfn, unsigned long nr_pages);
extern int online_pages(unsigned long pfn, unsigned long nr_pages,
struct zone *zone, struct memory_group *group);
-extern struct zone *test_pages_in_a_zone(unsigned long start_pfn,
- unsigned long end_pfn);
extern void __offline_isolated_pages(unsigned long start_pfn,
unsigned long end_pfn);
@@ -293,7 +291,7 @@ static inline void pgdat_resize_init(struct pglist_data *pgdat) {}
extern void try_offline_node(int nid);
extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages,
- struct memory_group *group);
+ struct zone *zone, struct memory_group *group);
extern int remove_memory(u64 start, u64 size);
extern void __remove_memory(u64 start, u64 size);
extern int offline_and_remove_memory(u64 start, u64 size);
@@ -302,7 +300,7 @@ extern int offline_and_remove_memory(u64 start, u64 size);
static inline void try_offline_node(int nid) {}
static inline int offline_pages(unsigned long start_pfn, unsigned long nr_pages,
- struct memory_group *group)
+ struct zone *zone, struct memory_group *group)
{
return -EINVAL;
}