On Wed, 2015-04-08 at 11:15 -0500, Shawn Bohrer wrote: > AnonHugePages: 241664 kB > HugePages_Total: 512 > HugePages_Free: 512 > HugePages_Rsvd: 384 > HugePages_Surp: 0 > Hugepagesize: 2048 kB > > So here I have 384 pages reserved and I can't find anything that is > using them. The output clearly shows all available hugepages are free, Why are you assuming that reserved implies allocated/in use? This is not true, please read one of the millions of docs out there -- you can start with: https://www.kernel.org/doc/Documentation/vm/hugetlbpage.txt -- 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>