From mboxrd@z Thu Jan 1 00:00:00 1970 From: Suzuki.Poulose@arm.com (Suzuki K. Poulose) Date: Tue, 1 Mar 2016 12:51:22 +0000 Subject: for-next/pgtable branch: OOM error with 16K page size In-Reply-To: <56D58872.2010506@arm.com> References: <56D57B9D.7020604@arm.com> <56D58872.2010506@arm.com> Message-ID: <56D5904A.3050300@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/03/16 12:17, Suzuki K. Poulose wrote: > >> http://pastebin.com/Eszwp1cS > >> HugePages_Total: 2019 >> HugePages_Free: 2019 >> HugePages_Rsvd: 0 >> HugePages_Surp: 0 >> Hugepagesize: 32768 kB > > That clearly tells you whats wrong. You have 2019x32M in hugepages. > Could you try releasing them and see if it solves the memory issue ? > > $ echo 0 > /sys/kernel/mm/hugepages/hugepages-32768kB/nr_hugepages > > > btw, whats your root file system(to be more precise, the init) ? Also, could you get the number of HugePages_Total with 4K and 64K ? May be your init (or whatever allocates the hugepages) requires some hints about 16K and do something similar to what it does for 64K. Thanks Suzuki