static inline void _free_pages_ok(unsigned long map_nr, unsigned long order)
{
struct free_mem_area_struct *area = free_mem_area + order;
unsigned long index = map_nr >> (1 + order);
unsigned long mask = (~0UL) << order;
#define list(x) (g_mem_map+(x))
map_nr &= mask;
g_nr_free_pages -= mask;
while (mask + (1 << (NR_MEM_LISTS-1))) {
if (!test_and_change_bit(index, area->map))
break;
remove_mem_queue(area,list(map_nr ^ -mask));
mask <<= 1;
area++;
index >>= 1;
map_nr &= mask;
}
add_mem_queue(area, list(map_nr));
#undef list
}
static void ixgb_led_blink_callback(unsigned long data)
{
struct ixgb_adapter *adapter = (struct ixgb_adapter *)data;
if (test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
ixgb_led_off(&adapter->hw);
else
ixgb_led_on(&adapter->hw);
mod_timer(&adapter->blink_timer, jiffies + IXGB_ID_INTERVAL);
}
static void
e1000_led_blink_callback(unsigned long data)
{
struct e1000_adapter *adapter = (struct e1000_adapter *) data;
if(test_and_change_bit(E1000_LED_ON, &adapter->led_status))
e1000_led_off(&adapter->hw);
else
e1000_led_on(&adapter->hw);
mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
}
void buddy_put_free_pages(u32 addr, u8 order)
{
u8 start_order;
u32 bitmap_idx;
struct buddy_area_s *area = &buddy_alloc.buddy_area[order];
struct page_desc_s *page_desc;
struct page_desc_s *page_buddy_desc;
u32 page_idx = virt_to_page(addr);
u32 page_buddy_idx;
u32 page_mask;
u32 flags;
spin_lock_irqsave(&buddy_alloc.buddy_lock, flags);
page_mask = (~0UL) << order;
for (start_order = order; start_order < BUDDY_ALLOC_MAX_AREAS; start_order++) {
bitmap_idx = page_idx >> (start_order + 1);
if (!test_and_change_bit(bitmap_idx, area->area_bitmap)) {
break;
}
page_buddy_idx = page_idx ^ (1 + ~page_mask);
page_buddy_desc = &system_pages[page_buddy_idx];
list_del(&page_buddy_desc->page_list);
area->free_units--;
area++;
page_mask <<= 1;
page_idx &= page_mask;
}
page_desc = &system_pages[page_idx];
list_add(&page_desc->page_list, &area->area_list);
area->free_units++;
spin_unlock_irqrestore(&buddy_alloc.buddy_lock, flags);
}
