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mm: pass the vmem_altmap to vmemmap_populate

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We can just pass this on instead of having to do a radix tree lookup
without proper locking a few levels into the callchain.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Christoph Hellwig
2017-12-29 08:53:54 +01:00
committed by Dan Williams
parent 24e6d5a59a
commit 7b73d978a5
11 changed files with 39 additions and 29 deletions
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include/linux/memory_hotplug.h
+2 -1
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@@ -327,7 +327,8 @@ extern void move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn,
extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages);
extern bool is_memblock_offlined(struct memory_block *mem);
extern void remove_memory(int nid, u64 start, u64 size);
extern int sparse_add_one_section(struct pglist_data *pgdat, unsigned long start_pfn);
extern int sparse_add_one_section(struct pglist_data *pgdat,
unsigned long start_pfn, struct vmem_altmap *altmap);
extern void sparse_remove_one_section(struct zone *zone, struct mem_section *ms,
unsigned long map_offset);
extern struct page *sparse_decode_mem_map(unsigned long coded_mem_map,