memory_bm_create
error = memory_bm_create(bm1, GFP_KERNEL, PG_ANY);
error = memory_bm_create(bm2, GFP_KERNEL, PG_ANY);
error = memory_bm_create(&orig_bm, GFP_IMAGE, PG_ANY);
error = memory_bm_create(©_bm, GFP_IMAGE, PG_ANY);
error = memory_bm_create(&zero_bm, GFP_IMAGE, PG_ANY);
if (memory_bm_create(bm, GFP_ATOMIC, PG_SAFE))
error = memory_bm_create(new_bm, GFP_ATOMIC, PG_SAFE);
error = memory_bm_create(&tmp, GFP_ATOMIC, PG_SAFE);
error = memory_bm_create(zero_bm, GFP_ATOMIC, PG_SAFE);
error = memory_bm_create(©_bm, GFP_ATOMIC, PG_ANY);
error = memory_bm_create(&zero_bm, GFP_ATOMIC, PG_ANY);