On Thu 08-01-15 10:37:50, Mark Langsdorf wrote: > 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. OK. Do you see all the free page blocks completely reserved without CMA as well? -- Michal Hocko SUSE Labs -- 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>