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mm, hugetlb: mark some bootstrap functions as __init

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Both prep_compound_huge_page() and prep_compound_gigantic_page() are
only called at bootstrap and can be marked as __init.

The __SetPageTail(page) in prep_compound_gigantic_page() happening
before page->first_page is initialized is not concerning since this is
bootstrap.

Signed-off-by: David Rientjes <rientjes@google.com>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Reviewed-by: Davidlohr Bueso <davidlohr@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Rientjes 2014-04-03 14:47:59 -07:00 committed by Linus Torvalds
parent 449dd6984d
commit f412c97abe
1 changed files with 3 additions and 2 deletions
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5
mm/hugetlb.c
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@ -689,7 +689,8 @@ static void prep_new_huge_page(struct hstate *h, struct page *page, int nid)
put_page(page); /* free it into the hugepage allocator */
}
static void prep_compound_gigantic_page(struct page *page, unsigned long order)
static void __init prep_compound_gigantic_page(struct page *page,
unsigned long order)
{
int i;
int nr_pages = 1 << order;
@ -1319,7 +1320,7 @@ found:
return 1;
}
static void prep_compound_huge_page(struct page *page, int order)
static void __init prep_compound_huge_page(struct page *page, int order)
{
if (unlikely(order > (MAX_ORDER - 1)))
prep_compound_gigantic_page(page, order);