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authorMark Brown <broonie@kernel.org>2021-05-18 17:24:52 +0100
committerMark Brown <broonie@kernel.org>2021-05-18 17:24:52 +0100
commitc37fe6aff89cb0d842993fe2f69e48bf3ebe0ab0 (patch)
tree2a322c48218f7006bab789b7bf16ec58b129a096 /include/linux/memory.h
parentMAINTAINERS: Add Alain Volmat as STM32 SPI maintainer (diff)
parentLinux 5.13-rc2 (diff)
Merge tag 'v5.13-rc2' into spi-5.13
Linux 5.13-rc2
Diffstat (limited to 'include/linux/memory.h')
-rw-r--r--include/linux/memory.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/memory.h b/include/linux/memory.h
index 4da95e684e20..97e92e8b556a 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -29,6 +29,11 @@ struct memory_block {
int online_type; /* for passing data to online routine */
int nid; /* NID for this memory block */
struct device dev;
+ /*
+ * Number of vmemmap pages. These pages
+ * lay at the beginning of the memory block.
+ */
+ unsigned long nr_vmemmap_pages;
};
int arch_get_memory_phys_device(unsigned long start_pfn);
@@ -80,7 +85,8 @@ static inline int memory_notify(unsigned long val, void *v)
#else
extern int register_memory_notifier(struct notifier_block *nb);
extern void unregister_memory_notifier(struct notifier_block *nb);
-int create_memory_block_devices(unsigned long start, unsigned long size);
+int create_memory_block_devices(unsigned long start, unsigned long size,
+ unsigned long vmemmap_pages);
void remove_memory_block_devices(unsigned long start, unsigned long size);
extern void memory_dev_init(void);
extern int memory_notify(unsigned long val, void *v);