>> Most popular use of zram is the in-memory swap for small embedded system >> so I don't want to increase memory footprint without good reason although >> it makes synthetic benchmark. Alhought it's 1M for 1G, it isn't small if we >> consider compression ratio and real free memory after boot We can use bit spin lock and this would not increase memory footprint for 32 bit platform. Thanks. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>