On Mon, Jun 02, 2014 at 02:54:30PM +0900, Gioh Kim wrote: > I found 2 problems at my platform. > > 1st is occured when I set CMA size 528MB and total memory is 960MB. > I print some values in adjust_managed_cma_page_count(), > the total value becomes 105439 and cma value 131072. > Finally movable value becomes negative value. > > The total value 105439 means 411MB. > Is the zone->managed_pages value pages amount except the CMA? > I think zone->managed_pages value is including CMA size but it's value is strange. Hmm... zone->managed_pages includes nr of CMA pages. Is there any mistake about your printk? > > 2nd is a kernel panic at __netdev_alloc_skb(). > I'm not sure it is caused by the CMA. > I'm checking it again and going to send you another report with detail call-stacks. Okay. Thanks. -- 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>