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[PATCH] hugepage: Make {alloc,free}_huge_page() local

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Originally, mm/hugetlb.c just handled the hugepage physical allocation path
and its {alloc,free}_huge_page() functions were used from the arch specific
hugepage code.  These days those functions are only used with mm/hugetlb.c
itself.  Therefore, this patch makes them static and removes their
prototypes from hugetlb.h.  This requires a small rearrangement of code in
mm/hugetlb.c to avoid a forward declaration.

This patch causes no regressions on the libhugetlbfs testsuite (ppc64,
POWER5).

Signed-off-by: David Gibson <[email protected]>
Cc: William Lee Irwin III <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
David Gibson 2006-03-22 00:08:56 -08:00 • committed by Linus Torvalds
commit 27a85ef1b8
2 changed files with 13 additions and 16 deletions
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25
mm/hugetlb.c
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@ -88,6 +88,17 @@ static struct page *dequeue_huge_page(struct vm_area_struct *vma,
return page;
}
static void free_huge_page(struct page *page)
{
BUG_ON(page_count(page));
INIT_LIST_HEAD(&page->lru);
spin_lock(&hugetlb_lock);
enqueue_huge_page(page);
spin_unlock(&hugetlb_lock);
}
static int alloc_fresh_huge_page(void)
{
static int nid = 0;
@ -107,18 +118,8 @@ static int alloc_fresh_huge_page(void)
return 0;
}
void free_huge_page(struct page *page)
{
BUG_ON(page_count(page));
INIT_LIST_HEAD(&page->lru);
spin_lock(&hugetlb_lock);
enqueue_huge_page(page);
spin_unlock(&hugetlb_lock);
}
struct page *alloc_huge_page(struct vm_area_struct *vma, unsigned long addr)
static struct page *alloc_huge_page(struct vm_area_struct *vma,
unsigned long addr)
{
struct inode *inode = vma->vm_file->f_dentry->d_inode;
struct page *page;