Re: kmemleak: Unable to handle kernel paging request

2014-06-15 Thread Michael Ellerman
On Fri, 2014-06-13 at 14:26 +0400, Denis Kirjanov wrote: On 6/13/14, Catalin Marinas catalin.mari...@arm.com wrote: On Fri, Jun 13, 2014 at 08:12:08AM +0100, Denis Kirjanov wrote: On 6/12/14, Catalin Marinas catalin.mari...@arm.com wrote: On Thu, Jun 12, 2014 at 01:00:57PM +0100, Denis

Re: kmemleak: Unable to handle kernel paging request

2014-06-14 Thread Catalin Marinas
On 13 Jun 2014, at 22:44, Benjamin Herrenschmidt b...@kernel.crashing.org wrote: On Fri, 2014-06-13 at 09:56 +0100, Catalin Marinas wrote: OK, so that's the DART table allocated via alloc_dart_table(). Is dart_tablebase removed from the kernel linear mapping after allocation? Yes. If

Re: kmemleak: Unable to handle kernel paging request

2014-06-13 Thread Catalin Marinas
On Fri, Jun 13, 2014 at 08:12:08AM +0100, Denis Kirjanov wrote: On 6/12/14, Catalin Marinas catalin.mari...@arm.com wrote: On Thu, Jun 12, 2014 at 01:00:57PM +0100, Denis Kirjanov wrote: On 6/12/14, Denis Kirjanov k...@linux-powerpc.org wrote: On 6/12/14, Catalin Marinas

Re: kmemleak: Unable to handle kernel paging request

2014-06-13 Thread Denis Kirjanov
On 6/13/14, Catalin Marinas catalin.mari...@arm.com wrote: On Fri, Jun 13, 2014 at 08:12:08AM +0100, Denis Kirjanov wrote: On 6/12/14, Catalin Marinas catalin.mari...@arm.com wrote: On Thu, Jun 12, 2014 at 01:00:57PM +0100, Denis Kirjanov wrote: On 6/12/14, Denis Kirjanov

Re: kmemleak: Unable to handle kernel paging request

2014-06-13 Thread Benjamin Herrenschmidt
On Fri, 2014-06-13 at 09:56 +0100, Catalin Marinas wrote: OK, so that's the DART table allocated via alloc_dart_table(). Is dart_tablebase removed from the kernel linear mapping after allocation? Yes. If that's the case, we need to tell kmemleak to ignore this block (see patch below,