memcg,thp: fix res_counter:96 regression

[linux-flexiantxendom0-3.2.10.git] / mm / memcontrol.c

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b659260..7685d4a 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5481,7 +5481,7 @@ static int mem_cgroup_move_charge_pte_range(pmd_t *pmd,
         *    part of thp split is not executed yet.
         */
        if (pmd_trans_huge_lock(pmd, vma) == 1) {
-               if (!mc.precharge) {
+               if (mc.precharge < HPAGE_PMD_NR) {
                        spin_unlock(&vma->vm_mm->page_table_lock);
                        return 0;
                }