[PATCH v2 5/9] mm: remove check_huge_range()

[Stephen Wilson <wilsons@start.ca>]

This function has been superseded by gather_hugetbl_stats() and is no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

Signed-off-by: Stephen Wilson <wilsons@start.ca>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
---
 mm/mempolicy.c |   35 -----------------------------------
 1 files changed, 0 insertions(+), 35 deletions(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 108f858..231efc8 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2616,35 +2616,6 @@ 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)
 {
@@ -2664,12 +2635,6 @@ 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)
 {
-- 
1.7.4.4

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