diff options
| -rw-r--r-- | mm/nommu.c | 28 |
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); |