NOMMU: Delete askedalloc and realalloc variables

Delete the askedalloc and realalloc variables as nothing actually uses the
value calculated.

Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Mike Frysinger <vapier.adi@gmail.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/mm/nommu.c b/mm/nommu.c
index 1c28ea3..23f355b 100644 (file)
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -40,7 +40,6 @@ void *high_memory;
 struct page *mem_map;
 unsigned long max_mapnr;
 unsigned long num_physpages;
-unsigned long askedalloc, realalloc;
 atomic_long_t vm_committed_space = ATOMIC_LONG_INIT(0);
 int sysctl_overcommit_memory = OVERCOMMIT_GUESS; /* heuristic overcommit */
 int sysctl_overcommit_ratio = 50; /* default is 50% */
@@ -1042,22 +1041,11 @@ unsigned long do_mmap_pgoff(struct file *file,
        /* okay... we have a mapping; now we have to register it */
        result = (void *) vma->vm_start;
 
-       if (vma->vm_flags & VM_MAPPED_COPY) {
-               realalloc += kobjsize(result);
-               askedalloc += len;
-       }
-
-       realalloc += kobjsize(vma);
-       askedalloc += sizeof(*vma);
-
        current->mm->total_vm += len >> PAGE_SHIFT;
 
        add_nommu_vma(vma);
 
  shared:
-       realalloc += kobjsize(vml);
-       askedalloc += sizeof(*vml);
-
        add_vma_to_mm(current->mm, vml);
 
        up_write(&nommu_vma_sem);
@@ -1124,14 +1112,8 @@ static void put_vma(struct mm_struct *mm, struct vm_area_struct *vma)
 
                        /* IO memory and memory shared directly out of the pagecache from
                         * ramfs/tmpfs mustn't be released here */
-                       if (vma->vm_flags & VM_MAPPED_COPY) {
-                               realalloc -= kobjsize((void *) vma->vm_start);
-                               askedalloc -= vma->vm_end - vma->vm_start;
+                       if (vma->vm_flags & VM_MAPPED_COPY)
                                kfree((void *) vma->vm_start);
-                       }
-
-                       realalloc -= kobjsize(vma);
-                       askedalloc -= sizeof(*vma);
 
                        if (vma->vm_file) {
                                fput(vma->vm_file);
@@ -1177,8 +1159,6 @@ int do_munmap(struct mm_struct *mm, unsigned long addr, size_t len)
        put_vma(mm, vml->vma);
 
        *parent = vml->next;
-       realalloc -= kobjsize(vml);
-       askedalloc -= sizeof(*vml);
        kfree(vml);
 
        update_hiwater_vm(mm);
@@ -1220,9 +1200,6 @@ void exit_mmap(struct mm_struct * mm)
                while ((tmp = mm->context.vmlist)) {
                        mm->context.vmlist = tmp->next;
                        put_vma(mm, tmp->vma);
-
-                       realalloc -= kobjsize(tmp);
-                       askedalloc -= sizeof(*tmp);
                        kfree(tmp);
                }
 
@@ -1276,9 +1253,6 @@ unsigned long do_mremap(unsigned long addr,
        /* all checks complete - do it */
        vma->vm_end = vma->vm_start + new_len;
 
-       askedalloc -= old_len;
-       askedalloc += new_len;
-
        return vma->vm_start;
 }
 EXPORT_SYMBOL(do_mremap);