On Fri, 11 Mar 2016 14:43:45 +0300
Andrey Ryabinin wrote:
> >> This is not about size, this about fragmentation. vmalloc allows to
> >> utilize available low-order pages,
> >> hence reduce the fragmentation.
> > I've attempted to add __vmalloc(STACK_ALLOC_SIZE, alloc_flags,
> > PAGE_KERNEL) (a
On Fri, Mar 11, 2016 at 12:43 PM, Andrey Ryabinin
wrote:
>
>
> On 03/11/2016 02:18 PM, Alexander Potapenko wrote:
>> On Thu, Mar 10, 2016 at 5:58 PM, Andrey Ryabinin
>> wrote:
>>> 2016-03-08 14:42 GMT+03:00 Alexander Potapenko :
On Tue, Mar 1, 2016 at 12:57 PM, Andrey Ryabinin
wrote:
On 03/11/2016 02:18 PM, Alexander Potapenko wrote:
> On Thu, Mar 10, 2016 at 5:58 PM, Andrey Ryabinin
> wrote:
>> 2016-03-08 14:42 GMT+03:00 Alexander Potapenko :
>>> On Tue, Mar 1, 2016 at 12:57 PM, Andrey Ryabinin
>>> wrote:
>>
>>> + page = alloc_pages(alloc_flag
On Thu, Mar 10, 2016 at 5:58 PM, Andrey Ryabinin wrote:
> 2016-03-08 14:42 GMT+03:00 Alexander Potapenko :
>> On Tue, Mar 1, 2016 at 12:57 PM, Andrey Ryabinin
>> wrote:
>
>> + page = alloc_pages(alloc_flags, STACK_ALLOC_ORDER);
>
> STACK_ALLOC_ORDER = 4 - that
2016-03-08 14:42 GMT+03:00 Alexander Potapenko :
> On Tue, Mar 1, 2016 at 12:57 PM, Andrey Ryabinin
> wrote:
> + page = alloc_pages(alloc_flags, STACK_ALLOC_ORDER);
STACK_ALLOC_ORDER = 4 - that's a lot. Do you really need that much?
>>>
>>> Part of the issue
On Tue, Mar 1, 2016 at 12:57 PM, Andrey Ryabinin wrote:
>
>
> On 02/29/2016 08:12 PM, Dmitry Vyukov wrote:
>
diff --git a/lib/Makefile b/lib/Makefile
index a7c26a4..10a4ae3 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -167,6 +167,13 @@ obj-$(CONFIG_SG_SPLIT) += sg_split
On Mon, Feb 29, 2016 at 5:29 PM, Andrey Ryabinin wrote:
>
>
> On 02/26/2016 07:48 PM, Alexander Potapenko wrote:
>> Stack depot will allow KASAN store allocation/deallocation stack traces
>> for memory chunks. The stack traces are stored in a hash table and
>> referenced by handles which reside in
2016-03-04 18:06 GMT+03:00 Alexander Potapenko :
> On Fri, Mar 4, 2016 at 4:01 PM, Andrey Ryabinin
> wrote:
>> 2016-03-04 17:52 GMT+03:00 Alexander Potapenko :
>>> On Tue, Mar 1, 2016 at 12:57 PM, Andrey Ryabinin
>>> wrote:
>>> +
>>> + stack->hash = hash;
>>> + stack->size =
On Fri, Mar 4, 2016 at 4:01 PM, Andrey Ryabinin wrote:
> 2016-03-04 17:52 GMT+03:00 Alexander Potapenko :
>> On Tue, Mar 1, 2016 at 12:57 PM, Andrey Ryabinin
>> wrote:
>>>
>>>
>>> On 02/29/2016 08:12 PM, Dmitry Vyukov wrote:
>>>
>> diff --git a/lib/Makefile b/lib/Makefile
>> index a7c26a
2016-03-04 17:52 GMT+03:00 Alexander Potapenko :
> On Tue, Mar 1, 2016 at 12:57 PM, Andrey Ryabinin
> wrote:
>>
>>
>> On 02/29/2016 08:12 PM, Dmitry Vyukov wrote:
>>
> diff --git a/lib/Makefile b/lib/Makefile
> index a7c26a4..10a4ae3 100644
> --- a/lib/Makefile
> +++ b/lib/Makefil
On Tue, Mar 1, 2016 at 12:57 PM, Andrey Ryabinin wrote:
>
>
> On 02/29/2016 08:12 PM, Dmitry Vyukov wrote:
>
diff --git a/lib/Makefile b/lib/Makefile
index a7c26a4..10a4ae3 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -167,6 +167,13 @@ obj-$(CONFIG_SG_SPLIT) += sg_split
On 02/29/2016 08:12 PM, Dmitry Vyukov wrote:
>>> diff --git a/lib/Makefile b/lib/Makefile
>>> index a7c26a4..10a4ae3 100644
>>> --- a/lib/Makefile
>>> +++ b/lib/Makefile
>>> @@ -167,6 +167,13 @@ obj-$(CONFIG_SG_SPLIT) += sg_split.o
>>> obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
>>> obj-$(CONFI
On Mon, Feb 29, 2016 at 5:29 PM, Andrey Ryabinin wrote:
>
>
> On 02/26/2016 07:48 PM, Alexander Potapenko wrote:
>> Stack depot will allow KASAN store allocation/deallocation stack traces
>> for memory chunks. The stack traces are stored in a hash table and
>> referenced by handles which reside in
On 02/26/2016 07:48 PM, Alexander Potapenko wrote:
> Stack depot will allow KASAN store allocation/deallocation stack traces
> for memory chunks. The stack traces are stored in a hash table and
> referenced by handles which reside in the kasan_alloc_meta and
> kasan_free_meta structures in the al
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