On 11/04/2014 12:43 AM, Minchan Kim wrote: > Hello, > > On Mon, Nov 03, 2014 at 05:57:53PM +0100, Michal Nazarewicz wrote: >> Having test_pages_isolated failure message as a warning confuses >> users into thinking that it is more serious than it really is. In >> reality, if called via CMA, allocation will be retried so a single >> test_pages_isolated failure does not prevent allocation from >> succeeding. >> >> Demote the warning message to an info message and reformat it such >> that the text “failed” does not appear and instead a less worrying >> “PFNS busy” is used. > > What do you expect from this message? Please describe it so that we can > review below message helps your goal. I expect this message to not show up in logs unless there is a real problem. This message is trivially reproducible on a 10GB x86 machine on 3.16.y kernels configured with CONFIG_DMA_CMA. -- 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>