From mboxrd@z Thu Jan 1 00:00:00 1970 From: mlangsdo@redhat.com (Mark Langsdorf) Date: Thu, 08 Jan 2015 10:37:50 -0600 Subject: Linux 3.19-rc3 In-Reply-To: <20150108150850.GD5658@dhcp22.suse.cz> References: <54AE7D53.2020305@redhat.com> <20150108150850.GD5658@dhcp22.suse.cz> Message-ID: <54AEB25E.9050205@redhat.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/08/2015 09:08 AM, Michal Hocko wrote: > [CCing linux-mm and CMA people] > [Full message here: > http://article.gmane.org/gmane.linux.ports.arm.kernel/383669] >> [ 1054.095277] DMA: 109*64kB (UR) 53*128kB (R) 8*256kB (R) 0*512kB 0*1024kB >> 0*2048kB 1*4096kB (R) 0*8192kB 0*16384kB 1*32768kB (R) 0*65536kB = 52672kB >> [ 1054.108621] Normal: 191*64kB (MR) 0*128kB 0*256kB 0*512kB 0*1024kB >> 0*2048kB 0*4096kB 0*8192kB 0*16384kB 0*32768kB 0*65536kB = 12224kB > [...] >> [ 1054.142545] Free swap = 6598400kB >> [ 1054.145928] Total swap = 8388544kB >> [ 1054.149317] 262112 pages RAM >> [ 1054.152180] 0 pages HighMem/MovableOnly >> [ 1054.155995] 18446744073709544361 pages reserved >> [ 1054.160505] 8192 pages cma reserved > > Besides underflow in the reserved pages accounting mentioned in other > email the free lists look strange as well. All free blocks with some memory > are marked as reserved. I would suspect something CMA related. I get the same failure with CMA turned off entirely. I assume that means CMA is not the culprit. --Mark Langsdorf