int
ia32_setup_arg_pages (struct linux_binprm *bprm, int executable_stack)
{
- unsigned long stack_base;
+ unsigned long stack_base, grow;
struct vm_area_struct *mpnt;
struct mm_struct *mm = current->mm;
int i;
if (!mpnt)
return -ENOMEM;
- if (security_vm_enough_memory((IA32_STACK_TOP - (PAGE_MASK & (unsigned long) bprm->p))>>PAGE_SHIFT)) {
+ grow = (IA32_STACK_TOP - (PAGE_MASK & (unsigned long) bprm->p))
+ >> PAGE_SHIFT;
+ if (security_vm_enough_memory(grow) ||
+ !vx_vmpages_avail(mm, grow)) {
kmem_cache_free(vm_area_cachep, mpnt);
return -ENOMEM;
}
mpnt->vm_page_prot = (mpnt->vm_flags & VM_EXEC)?
PAGE_COPY_EXEC: PAGE_COPY;
insert_vm_struct(current->mm, mpnt);
- current->mm->total_vm = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT;
+ // current->mm->total_vm = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT;
+ vx_vmpages_sub(current->mm, current->mm->total_vm -
+ ((mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT));
}
for (i = 0 ; i < MAX_ARG_PAGES ; i++) {