mm: remove check_huge_range()

This function has been superseded by gather_hugetbl_stats() and is no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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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)
 {