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hugetlb: factor out prep_new_huge_page

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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>
This commit is contained in:
Andi Kleen 2008-07-23 21:27:40 -07:00 committed by Linus Torvalds
parent ff7ea79cf7
commit b7ba30c679
1 changed files with 11 additions and 6 deletions
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17
mm/hugetlb.c
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@ -513,6 +513,16 @@ static int adjust_pool_surplus(int delta)
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 @@ static struct page *alloc_fresh_huge_page_node(int nid)
__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;