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>

1 files changed, 3 insertions, 2 deletions

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 7af4e05bb61e..2e2e4f532204 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -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);