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mm: pass the vmem_altmap to arch_remove_memory and __remove_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 08:53:55 +01:00 • committed by Dan Williams
commit da024512a1
10 changed files with 19 additions and 26 deletions
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4
arch/ia64/mm/init.c
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@ -663,7 +663,7 @@ int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap,
}
#ifdef CONFIG_MEMORY_HOTREMOVE
int arch_remove_memory(u64 start, u64 size)
int arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap)
{
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
@ -671,7 +671,7 @@ int arch_remove_memory(u64 start, u64 size)
int ret;
zone = page_zone(pfn_to_page(start_pfn));
ret = __remove_pages(zone, start_pfn, nr_pages);
ret = __remove_pages(zone, start_pfn, nr_pages, altmap);
if (ret)
pr_warn("%s: Problem encountered in __remove_pages() as"
" ret=%d\n", __func__, ret);