struct vm_struct * im_get_area(unsigned long v_addr, unsigned long size,
int criteria)
{
struct vm_struct *area;
down(&imlist_sem);
area = __im_get_area(v_addr, size, criteria);
up(&imlist_sem);
return area;
}
struct vm_struct * im_get_area(unsigned long v_addr, unsigned long size,
int criteria)
{
struct vm_struct *area;
mutex_lock(&imlist_mutex);
area = __im_get_area(v_addr, size, criteria);
mutex_unlock(&imlist_mutex);
return area;
}
struct vm_struct * im_get_free_area(unsigned long size)
{
struct vm_struct *area;
unsigned long addr;
down(&imlist_sem);
if (get_free_im_addr(size, &addr)) {
printk(KERN_ERR "%s() cannot obtain addr for size 0x%lx\n",
__FUNCTION__, size);
area = NULL;
goto next_im_done;
}
area = __im_get_area(addr, size, IM_REGION_UNUSED);
if (area == NULL) {
printk(KERN_ERR
"%s() cannot obtain area for addr 0x%lx size 0x%lx\n",
__FUNCTION__, addr, size);
}
next_im_done:
up(&imlist_sem);
return area;
}
