From mboxrd@z Thu Jan 1 00:00:00 1970 From: Suzuki.Poulose@arm.com (Suzuki K. Poulose) Date: Tue, 1 Mar 2016 12:17:54 +0000 Subject: for-next/pgtable branch: OOM error with 16K page size In-Reply-To: References: <56D57B9D.7020604@arm.com> Message-ID: <56D58872.2010506@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/03/16 12:03, Jaggi, Manish wrote: >>> From: Suzuki K. Poulose >>> Sent: Tuesday, March 1, 2016 4:53 PM >>> To: Jaggi, Manish >>> Cc: linux-arm-kernel at lists.infradead.org; mark.rutland at arm.com >>> Subject: Re: for-next/pgtable branch: OOM error with 16K page size >>> >>> Could you please provide the complete o/p of the following >>> with 16K ? >>> >>> 1) /proc/meminfo > 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) ? Cheers Suzuki