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NOMMU: Delete askedalloc and realalloc variables

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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>
This commit is contained in:
David Howells 2009-01-08 12:04:47 +00:00
parent 9c93af1ede
commit 41836382eb
1 changed files with 1 additions and 27 deletions
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28
mm/nommu.c
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@ -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);