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dax: don't use set_huge_zero_page()

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This is another place where DAX assumed that pgtable_t was a pointer.
Open code the important parts of set_huge_zero_page() in DAX and make
set_huge_zero_page() static again.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kirill A. Shutemov 2015-09-08 14:59:34 -07:00 • committed by Linus Torvalds
parent da14676900
commit d295e3415a
3 changed files with 13 additions and 10 deletions
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3
include/linux/huge_mm.h
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@ -163,9 +163,6 @@ static inline bool is_huge_zero_pmd(pmd_t pmd)
}
struct page *get_huge_zero_page(void);
bool set_huge_zero_page(pgtable_t pgtable, struct mm_struct *mm,
struct vm_area_struct *vma, unsigned long haddr,
pmd_t *pmd, struct page *zero_page);
#else /* CONFIG_TRANSPARENT_HUGEPAGE */
#define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; })