389 	struct ptdesc *ptdesc;  in __alloc_for_pmdcache()  local
394 	ptdesc = pagetable_alloc(gfp, 0);  in __alloc_for_pmdcache()
395 	if (!ptdesc)  in __alloc_for_pmdcache()
397 	if (!pagetable_pmd_ctor(ptdesc)) {  in __alloc_for_pmdcache()
398 		pagetable_free(ptdesc);  in __alloc_for_pmdcache()
402 	atomic_set(&ptdesc->pt_frag_refcount, 1);  in __alloc_for_pmdcache()
404 	ret = ptdesc_address(ptdesc);  in __alloc_for_pmdcache()
419 		atomic_set(&ptdesc->pt_frag_refcount, PMD_FRAG_NR);  in __alloc_for_pmdcache()
440 	struct ptdesc *ptdesc = virt_to_ptdesc(pmd);  in pmd_fragment_free()  local
442 	if (pagetable_is_reserved(ptdesc))  in pmd_fragment_free()
443 		return free_reserved_ptdesc(ptdesc);  in pmd_fragment_free()
445 	BUG_ON(atomic_read(&ptdesc->pt_frag_refcount) <= 0);  in pmd_fragment_free()
446 	if (atomic_dec_and_test(&ptdesc->pt_frag_refcount)) {  in pmd_fragment_free()
447 		pagetable_pmd_dtor(ptdesc);  in pmd_fragment_free()
448 		pagetable_free(ptdesc);  in pmd_fragment_free()