int flags;
};
#define PAGE_CGROUP_FLAG_CACHE (0x1) /* charged as cache */
+#define PAGE_CGROUP_FLAG_ACTIVE (0x2) /* page is active in this cgroup */
enum {
MEM_CGROUP_TYPE_UNSPEC = 0,
static void __mem_cgroup_move_lists(struct page_cgroup *pc, bool active)
{
- if (active)
+ if (active) {
+ pc->flags |= PAGE_CGROUP_FLAG_ACTIVE;
list_move(&pc->lru, &pc->mem_cgroup->active_list);
- else
+ } else {
+ pc->flags &= ~PAGE_CGROUP_FLAG_ACTIVE;
list_move(&pc->lru, &pc->mem_cgroup->inactive_list);
+ }
}
int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem)
atomic_set(&pc->ref_cnt, 1);
pc->mem_cgroup = mem;
pc->page = page;
- pc->flags = 0;
+ pc->flags = PAGE_CGROUP_FLAG_ACTIVE;
if (ctype == MEM_CGROUP_CHARGE_TYPE_CACHE)
pc->flags |= PAGE_CGROUP_FLAG_CACHE;