hugetlb: factor out prep_new_huge_page
Needed to avoid code duplication in follow up patches.
Acked-by: Adam Litke <agl@us.ibm.com>
Acked-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index eda9642..32dff42 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -513,6 +513,16 @@
return ret;
}
+static void prep_new_huge_page(struct page *page, int nid)
+{
+ set_compound_page_dtor(page, free_huge_page);
+ spin_lock(&hugetlb_lock);
+ nr_huge_pages++;
+ nr_huge_pages_node[nid]++;
+ spin_unlock(&hugetlb_lock);
+ put_page(page); /* free it into the hugepage allocator */
+}
+
static struct page *alloc_fresh_huge_page_node(int nid)
{
struct page *page;
@@ -526,12 +536,7 @@
__free_pages(page, HUGETLB_PAGE_ORDER);
return NULL;
}
- set_compound_page_dtor(page, free_huge_page);
- spin_lock(&hugetlb_lock);
- nr_huge_pages++;
- nr_huge_pages_node[nid]++;
- spin_unlock(&hugetlb_lock);
- put_page(page); /* free it into the hugepage allocator */
+ prep_new_huge_page(page, nid);
}
return page;