1 files changed, 0 insertions, 28 deletions

diff --git a/mm/mmap.c b/mm/mmap.c
index f81311173b4d..fbad7b091090 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1878,15 +1878,6 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
 }
 #endif  
 
-void arch_unmap_area(struct mm_struct *mm, unsigned long addr)
-{
-        /*
-         * Is this a new hole at the lowest possible address?
-         */
-        if (addr >= TASK_UNMAPPED_BASE && addr < mm->free_area_cache)
-                mm->free_area_cache = addr;
-}
-
 /*
  * This mmap-allocator allocates new areas top-down from below the
  * stack's low limit (the base):
@@ -1943,19 +1934,6 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
 }
 #endif
 
-void arch_unmap_area_topdown(struct mm_struct *mm, unsigned long addr)
-{
-        /*
-         * Is this a new hole at the highest possible address?
-         */
-        if (addr > mm->free_area_cache)
-                mm->free_area_cache = addr;
-
-        /* dont allow allocations above current base */
-        if (mm->free_area_cache > mm->mmap_base)
-                mm->free_area_cache = mm->mmap_base;
-}
-
 unsigned long
 get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
                 unsigned long pgoff, unsigned long flags)
@@ -2376,7 +2354,6 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
 {
         struct vm_area_struct **insertion_point;
         struct vm_area_struct *tail_vma = NULL;
-        unsigned long addr;
 
         insertion_point = (prev ? &prev->vm_next : &mm->mmap);
         vma->vm_prev = NULL;
@@ -2393,11 +2370,6 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
         } else
                 mm->highest_vm_end = prev ? prev->vm_end : 0;
         tail_vma->vm_next = NULL;
-        if (mm->unmap_area == arch_unmap_area)
-                addr = prev ? prev->vm_end : mm->mmap_base;
-        else
-                addr = vma ?  vma->vm_start : mm->mmap_base;
-        mm->unmap_area(mm, addr);
         mm->mmap_cache = NULL;          /* Kill the cache. */
 }