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authorDavid Howells <dhowells@redhat.com>2009-01-08 12:04:47 +0000
committerDavid Howells <dhowells@redhat.com>2009-01-08 12:04:47 +0000
commit41836382ebb415d68d3ebc4525e78e871fe58baf (patch)
tree05e0dab9662420bd157f8805083a729e433dd869 /mm/nommu.c
parent9c93af1ede9418bb3f1b9dd442faf91ba796a0ff (diff)
downloadvexpress-lsk-41836382ebb415d68d3ebc4525e78e871fe58baf.tar.gz
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>
Diffstat (limited to 'mm/nommu.c')
-rw-r--r--mm/nommu.c28
1 files changed, 1 insertions, 27 deletions
diff --git a/mm/nommu.c b/mm/nommu.c
index 1c28ea3a4e9..23f355bbe26 100644
--- 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);