diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 911f562a232e..68ae96eac97e 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -3255,7 +3255,6 @@ int madvise_collapse(struct vm_area_struct *vma, unsigned long start,
 	cc->is_khugepaged = false;
 	cc->progress = 0;
 
-	mmgrab(mm);
 	lru_add_drain_all();
 
 	for (addr = hstart; addr < hend; addr += HPAGE_PMD_SIZE) {
@@ -3311,7 +3310,6 @@ int madvise_collapse(struct vm_area_struct *vma, unsigned long start,
 	}
 out_nolock:
 	mmap_assert_locked(mm);
-	mmdrop(mm);
 	kfree(cc);
 
 	return thps == ((hend - hstart) >> HPAGE_PMD_SHIFT) ? 0