On 02/05/2016 06:20 AM, Mark Rutland wrote:
On Thu, Feb 04, 2016 at 11:43:36AM -0800, Laura Abbott wrote:
ARCH_SUPPORTS_DEBUG_PAGEALLOC provides a hook to map and unmap
pages for debugging purposes. This requires memory be mapped
with PAGE_SIZE mappings since breaking down larger mappings
at ru
On Thu, Feb 04, 2016 at 11:43:36AM -0800, Laura Abbott wrote:
>
> ARCH_SUPPORTS_DEBUG_PAGEALLOC provides a hook to map and unmap
> pages for debugging purposes. This requires memory be mapped
> with PAGE_SIZE mappings since breaking down larger mappings
> at runtime will lead to TLB conflicts. Che
Hi Laura,
On 4 February 2016 at 20:43, Laura Abbott wrote:
>
> ARCH_SUPPORTS_DEBUG_PAGEALLOC provides a hook to map and unmap
> pages for debugging purposes. This requires memory be mapped
> with PAGE_SIZE mappings since breaking down larger mappings
> at runtime will lead to TLB conflicts. Check
ARCH_SUPPORTS_DEBUG_PAGEALLOC provides a hook to map and unmap
pages for debugging purposes. This requires memory be mapped
with PAGE_SIZE mappings since breaking down larger mappings
at runtime will lead to TLB conflicts. Check if debug_pagealloc
is enabled at runtime and if so, map everyting wit
On 02/02/2016 04:31 AM, Mark Rutland wrote:
On Tue, Feb 02, 2016 at 12:23:18PM +, Mark Rutland wrote:
Is there anything else in mm/ that I've potentially missed?
I'm seeing a hang on Juno just after reaching userspace (splat below)
with debug_pagealloc=on.
It looks like something's gone w
On Tue, Feb 02, 2016 at 12:23:18PM +, Mark Rutland wrote:
Is there anything else in mm/ that I've potentially missed?
> I'm seeing a hang on Juno just after reaching userspace (splat below)
> with debug_pagealloc=on.
>
> It looks like something's gone wrong around find_vmap_area -- at least
>
On Mon, Feb 01, 2016 at 01:24:25PM -0800, Laura Abbott wrote:
> On 02/01/2016 04:29 AM, Mark Rutland wrote:
> >Hi,
> >
> >On Fri, Jan 29, 2016 at 03:46:57PM -0800, Laura Abbott wrote:
> >>
> >>ARCH_SUPPORTS_DEBUG_PAGEALLOC provides a hook to map and unmap
> >>pages for debugging purposes. This requ
On 1 February 2016 at 22:24, Laura Abbott wrote:
> On 02/01/2016 04:29 AM, Mark Rutland wrote:
>>
>> Hi,
>>
>> On Fri, Jan 29, 2016 at 03:46:57PM -0800, Laura Abbott wrote:
>>>
>>>
>>> ARCH_SUPPORTS_DEBUG_PAGEALLOC provides a hook to map and unmap
>>> pages for debugging purposes. This requires me
On 02/01/2016 04:29 AM, Mark Rutland wrote:
Hi,
On Fri, Jan 29, 2016 at 03:46:57PM -0800, Laura Abbott wrote:
ARCH_SUPPORTS_DEBUG_PAGEALLOC provides a hook to map and unmap
pages for debugging purposes. This requires memory be mapped
with PAGE_SIZE mappings since breaking down larger mappings
Hi,
On Fri, Jan 29, 2016 at 03:46:57PM -0800, Laura Abbott wrote:
>
> ARCH_SUPPORTS_DEBUG_PAGEALLOC provides a hook to map and unmap
> pages for debugging purposes. This requires memory be mapped
> with PAGE_SIZE mappings since breaking down larger mappings
> at runtime will lead to TLB conflicts
ARCH_SUPPORTS_DEBUG_PAGEALLOC provides a hook to map and unmap
pages for debugging purposes. This requires memory be mapped
with PAGE_SIZE mappings since breaking down larger mappings
at runtime will lead to TLB conflicts. Check if debug_pagealloc
is enabled at runtime and if so, map everyting wit
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