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authorNick Terrell <terrelln@fb.com>2022-12-14 03:21:55 +0300
committerNick Terrell <terrelln@fb.com>2022-12-14 03:21:55 +0300
commit4f2c0a4acffbec01079c28f839422e64ddeff004 (patch)
tree06ada4a8a6d94a94c93944806041b8c994cebfc5 /include/linux/memory.h
parent88a309465b3f05a100c3b81966982c0f9f5d23a6 (diff)
parent830b3c68c1fb1e9176028d02ef86f3cf76aa2476 (diff)
downloadlinux-4f2c0a4acffbec01079c28f839422e64ddeff004.tar.xz
Merge branch 'main' into zstd-linus
Diffstat (limited to 'include/linux/memory.h')
-rw-r--r--include/linux/memory.h12
1 files changed, 12 insertions, 0 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 */
/*