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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 <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
This commit is contained in:
Christoph Hellwig 2017-12-29 08:53:53 +01:00 • committed by Dan Williams
commit 24e6d5a59a
10 changed files with 39 additions and 29 deletions
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5
arch/ia64/mm/init.c
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@ -647,13 +647,14 @@ 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;
int ret;
ret = __add_pages(nid, start_pfn, nr_pages, want_memblock);
ret = __add_pages(nid, start_pfn, nr_pages, altmap, want_memblock);
if (ret)
printk("%s: Problem encountered in __add_pages() as ret=%d\n",
__func__, ret);