new_k = krealloc(ck->k, new_u64s * sizeof(u64), GFP_NOFS);
if (!new_k) {
bch_err(c, "error allocating memory for key cache key, btree %s u64s %u",
new_k = krealloc(ck->k, new_u64s * sizeof(u64), GFP_NOFS);
if (!new_k) {
bch_err(c, "error allocating memory for key cache key, btree %s u64s %u",