On 02/05/2016 07:50 AM, Xishi Qiu wrote: > [root@localhost ~]# free -m > total used free shared buff/cache available > Mem: 48295 574 41658 8 6062 46344 > Swap: 24191 0 24191 > > [root@localhost ~]# cat /proc/meminfo > Buffers: 0 kB > Cached: 3727824 kB > Slab: 2480092 kB free and meminfo seems to match up pretty well to me. Are you really asking about display in MB vs kB? Drop the -m switch to free. Also, give 'man free' a spin, it explains what's behind the numbers. Daniel K. -- 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>