1 files changed, 5 insertions, 11 deletions

diff --git a/mm/memory.c b/mm/memory.c
index f7b6c9859796..1e77da6d82c1 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1295,7 +1295,7 @@ static void unmap_page_range(struct mmu_gather *tlb,
 
 static void unmap_single_vma(struct mmu_gather *tlb,
                 struct vm_area_struct *vma, unsigned long start_addr,
-                unsigned long end_addr, unsigned long *nr_accounted,
+                unsigned long end_addr,
                 struct zap_details *details)
 {
         unsigned long start = max(vma->vm_start, start_addr);
@@ -1307,9 +1307,6 @@ static void unmap_single_vma(struct mmu_gather *tlb,
         if (end <= vma->vm_start)
                 return;
 
-        if (vma->vm_flags & VM_ACCOUNT)
-                *nr_accounted += (end - start) >> PAGE_SHIFT;
-
         if (unlikely(is_pfn_mapping(vma)))
                 untrack_pfn_vma(vma, 0, 0);
 
@@ -1339,7 +1336,6 @@ static void unmap_single_vma(struct mmu_gather *tlb,
  * @vma: the starting vma
  * @start_addr: virtual address at which to start unmapping
  * @end_addr: virtual address at which to end unmapping
- * @nr_accounted: Place number of unmapped pages in vm-accountable vma's here
  *
  * Unmap all pages in the vma list.
  *
@@ -1354,13 +1350,13 @@ static void unmap_single_vma(struct mmu_gather *tlb,
  */
 void unmap_vmas(struct mmu_gather *tlb,
                 struct vm_area_struct *vma, unsigned long start_addr,
-                unsigned long end_addr, unsigned long *nr_accounted)
+                unsigned long end_addr)
 {
         struct mm_struct *mm = vma->vm_mm;
 
         mmu_notifier_invalidate_range_start(mm, start_addr, end_addr);
         for ( ; vma && vma->vm_start < end_addr; vma = vma->vm_next)
-                unmap_single_vma(tlb, vma, start_addr, end_addr, nr_accounted, NULL);
+                unmap_single_vma(tlb, vma, start_addr, end_addr, NULL);
         mmu_notifier_invalidate_range_end(mm, start_addr, end_addr);
 }
 
@@ -1379,14 +1375,13 @@ void zap_page_range(struct vm_area_struct *vma, unsigned long start,
         struct mm_struct *mm = vma->vm_mm;
         struct mmu_gather tlb;
         unsigned long end = start + size;
-        unsigned long nr_accounted = 0;
 
         lru_add_drain();
         tlb_gather_mmu(&tlb, mm, 0);
         update_hiwater_rss(mm);
         mmu_notifier_invalidate_range_start(mm, start, end);
         for ( ; vma && vma->vm_start < end; vma = vma->vm_next)
-                unmap_single_vma(&tlb, vma, start, end, &nr_accounted, details);
+                unmap_single_vma(&tlb, vma, start, end, details);
         mmu_notifier_invalidate_range_end(mm, start, end);
         tlb_finish_mmu(&tlb, start, end);
 }
@@ -1406,13 +1401,12 @@ static void zap_page_range_single(struct vm_area_struct *vma, unsigned long addr
         struct mm_struct *mm = vma->vm_mm;
         struct mmu_gather tlb;
         unsigned long end = address + size;
-        unsigned long nr_accounted = 0;
 
         lru_add_drain();
         tlb_gather_mmu(&tlb, mm, 0);
         update_hiwater_rss(mm);
         mmu_notifier_invalidate_range_start(mm, address, end);
-        unmap_single_vma(&tlb, vma, address, end, &nr_accounted, details);
+        unmap_single_vma(&tlb, vma, address, end, details);
         mmu_notifier_invalidate_range_end(mm, address, end);
         tlb_finish_mmu(&tlb, address, end);
 }