mm: remove check_huge_range()

This function has been superseded by gather_hugetbl_stats() and is no
longer needed.

Signed-off-by: Stephen Wilson <[email protected]>
Reviewed-by: KOSAKI Motohiro <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Lee Schermerhorn <[email protected]>
Cc: Alexey Dobriyan <[email protected]>
Cc: Christoph Lameter <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

1 files changed, 0 insertions, 35 deletions

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 6c5306544df0..3b6e4057fab8 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2600,35 +2600,6 @@ static int gather_pte_stats(pmd_t *pmd, unsigned long addr,
 }
 
 #ifdef CONFIG_HUGETLB_PAGE
-static void check_huge_range(struct vm_area_struct *vma,
-		unsigned long start, unsigned long end,
-		struct numa_maps *md)
-{
-	unsigned long addr;
-	struct page *page;
-	struct hstate *h = hstate_vma(vma);
-	unsigned long sz = huge_page_size(h);
-
-	for (addr = start; addr < end; addr += sz) {
-		pte_t *ptep = huge_pte_offset(vma->vm_mm,
-						addr & huge_page_mask(h));
-		pte_t pte;
-
-		if (!ptep)
-			continue;
-
-		pte = *ptep;
-		if (pte_none(pte))
-			continue;
-
-		page = pte_page(pte);
-		if (!page)
-			continue;
-
-		gather_stats(page, md, pte_dirty(*ptep));
-	}
-}
-
 static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
 		unsigned long addr, unsigned long end, struct mm_walk *walk)
 {
@@ -2648,12 +2619,6 @@ static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
 }
 
 #else
-static inline void check_huge_range(struct vm_area_struct *vma,
-		unsigned long start, unsigned long end,
-		struct numa_maps *md)
-{
-}
-
 static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
 		unsigned long addr, unsigned long end, struct mm_walk *walk)
 {