Messages in this thread | | | Date | Mon, 2 Jun 2014 15:23:45 +0900 | From | Joonsoo Kim <> | Subject | Re: [PATCH v2 2/3] CMA: aggressively allocate the pages on cma reserved memory when not used |
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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.
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