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mm: pass the vmem_altmap to arch_add_memory and __add_pages

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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>
This commit is contained in:
Christoph Hellwig
2017-12-29 08:53:53 +01:00
committed by Dan Williams
parent 55ce6e23eb
commit 24e6d5a59a
10 changed files with 39 additions and 29 deletions
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5
arch/x86/mm/init_32.c
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@@ -829,12 +829,13 @@ void __init mem_init(void)
}
#ifdef CONFIG_MEMORY_HOTPLUG
int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock)
int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap,
bool want_memblock)
{
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
return __add_pages(nid, start_pfn, nr_pages, want_memblock);
return __add_pages(nid, start_pfn, nr_pages, altmap, want_memblock);
}
#ifdef CONFIG_MEMORY_HOTREMOVE