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| author | Christoph Hellwig <hch@lst.de> | 2017-12-29 10:53:53 +0300 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2018-01-08 22:46:23 +0300 |
| commit | 24e6d5a59ac7d31adc0322de2d0117dfa370936f (patch) | |
| tree | b021d2de9c55ffda9054b36e8d76487c1c06f876 /mm/memory_hotplug.c | |
| parent | 55ce6e23ebd159bc3d8f0a20e27503e09b5d8138 (diff) | |
| download | linux-24e6d5a59ac7d31adc0322de2d0117dfa370936f.tar.xz | |
mm: pass the vmem_altmap to arch_add_memory and __add_pages
We can just pass this on instead of having to do a radix tree lookup
without proper locking 2 levels into the callchain.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'mm/memory_hotplug.c')
| -rw-r--r-- | mm/memory_hotplug.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 5c6f96e6b334..fc0485dcece1 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -292,18 +292,17 @@ static int __meminit __add_section(int nid, unsigned long phys_start_pfn, * add the new pages. */ int __ref __add_pages(int nid, unsigned long phys_start_pfn, - unsigned long nr_pages, bool want_memblock) + unsigned long nr_pages, struct vmem_altmap *altmap, + bool want_memblock) { unsigned long i; int err = 0; int start_sec, end_sec; - struct vmem_altmap *altmap; /* during initialize mem_map, align hot-added range to section */ start_sec = pfn_to_section_nr(phys_start_pfn); end_sec = pfn_to_section_nr(phys_start_pfn + nr_pages - 1); - altmap = to_vmem_altmap((unsigned long) pfn_to_page(phys_start_pfn)); if (altmap) { /* * Validate altmap is within bounds of the total request @@ -1148,7 +1147,7 @@ int __ref add_memory_resource(int nid, struct resource *res, bool online) } /* call arch's memory hotadd */ - ret = arch_add_memory(nid, start, size, true); + ret = arch_add_memory(nid, start, size, NULL, true); if (ret < 0) goto error; |