PCACHE_CACHE_FLAGS_CACHE_MODE_MASK
return FIELD_GET(PCACHE_CACHE_FLAGS_CACHE_MODE_MASK, cache->cache_info.flags);
cache->cache_info.flags &= ~PCACHE_CACHE_FLAGS_CACHE_MODE_MASK;
cache->cache_info.flags |= FIELD_PREP(PCACHE_CACHE_FLAGS_CACHE_MODE_MASK, cache_mode);