void __glue(_CACHE, _flush_user_cache_range)(unsigned long start, unsigned long end,
unsigned int flags)
{
struct mm_struct *mm;
if (current->mm)
mm = current->mm;
else if (current->active_mm)
mm = current->active_mm;
else {
printk("active_mm: No mm... %lx-%lx\n", start, end);
return;
}
for (start &= PAGE_MASK; start < end; start += PAGE_SIZE) {
pte_t *ptep = lookup_pte(mm, start);
if (ptep && pte_present(*ptep)) {
unsigned long k = pte_pfn(*ptep) << PAGE_SHIFT;
unsigned long e = k + PAGE_SIZE;
l4_cache_flush_data(k, e);
}
}
}
void __glue(_CACHE, _dma_flush_range)(const void *start, const void *stop)
{
l4_cache_flush_data((unsigned long)start, (unsigned long)stop);
}
void __glue(_CACHE, _dma_flush_range)(const void *start, const void *stop)
{
printk("%s(%p, %p) called.\n", __func__, start, stop);
l4_cache_flush_data((unsigned long)start, (unsigned long)stop);
}
