bna: fix list corruption

[cascardo/linux.git] / mm / huge_memory.c

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 722546d..1c317b8 100644 (file)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2861,6 +2861,7 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd,
        young = pmd_young(*pmd);
        dirty = pmd_dirty(*pmd);
 
+       pmdp_huge_split_prepare(vma, haddr, pmd);
        pgtable = pgtable_trans_huge_withdraw(mm, pmd);
        pmd_populate(mm, &_pmd, pgtable);