*/
int dirty_background_ratio = 5;
+/*
+ * free highmem will not be subtracted from the total free memory
+ * for calculating free ratios if vm_highmem_is_dirtyable is true
+ */
+int vm_highmem_is_dirtyable;
+
/*
* The generator of dirty data starts writeback at this percentage
*/
*
* dirty -= (dirty/8) * p_{t}
*/
-void task_dirty_limit(struct task_struct *tsk, long *pdirty)
+static void task_dirty_limit(struct task_struct *tsk, long *pdirty)
{
long numerator, denominator;
long dirty = *pdirty;
x = global_page_state(NR_FREE_PAGES)
+ global_page_state(NR_INACTIVE)
+ global_page_state(NR_ACTIVE);
- x -= highmem_dirtyable_memory(x);
+
+ if (!vm_highmem_is_dirtyable)
+ x -= highmem_dirtyable_memory(x);
+
return x + 1; /* Ensure that we never return 0 */
}
return 0;
}
-int fastcall set_page_dirty(struct page *page)
+int set_page_dirty(struct page *page)
{
int ret = __set_page_dirty(page);
if (ret)