On 04/24/2015 10:15 PM, Sasha Levin wrote:
> On 01/18/2015 01:36 PM, Konstantin Khlebnikov wrote:
>> On Sun, Jan 18, 2015 at 2:34 PM, Sasha Levin wrote:
>>> On 06/24/2014 04:16 PM, Konstantin Khlebnikov wrote:
This patch prints warning (if CONFIG_DEBUG_VM=y) when
memory commitment become
On 01/18/2015 01:36 PM, Konstantin Khlebnikov wrote:
> On Sun, Jan 18, 2015 at 2:34 PM, Sasha Levin wrote:
>> On 06/24/2014 04:16 PM, Konstantin Khlebnikov wrote:
>>> This patch prints warning (if CONFIG_DEBUG_VM=y) when
>>> memory commitment becomes too negative.
>>>
>>> Signed-off-by: Konstantin
On Sun, Jan 18, 2015 at 2:34 PM, Sasha Levin wrote:
> On 06/24/2014 04:16 PM, Konstantin Khlebnikov wrote:
>> This patch prints warning (if CONFIG_DEBUG_VM=y) when
>> memory commitment becomes too negative.
>>
>> Signed-off-by: Konstantin Khlebnikov
>
> Hi Konstantin,
>
> I seem to be hitting thi
On 06/24/2014 04:16 PM, Konstantin Khlebnikov wrote:
> This patch prints warning (if CONFIG_DEBUG_VM=y) when
> memory commitment becomes too negative.
>
> Signed-off-by: Konstantin Khlebnikov
Hi Konstantin,
I seem to be hitting this warning when fuzzing on the latest -next kernel:
[ 683.67432
On Thu, Jun 26, 2014 at 2:03 AM, Andrew Morton
wrote:
> On Wed, 25 Jun 2014 00:16:14 +0400 Konstantin Khlebnikov
> wrote:
>
>> This patch prints warning (if CONFIG_DEBUG_VM=y) when
>> memory commitment becomes too negative.
>>
>> ...
>>
>> --- a/mm/mmap.c
>> +++ b/mm/mmap.c
>> @@ -134,6 +134,12
On 06/24/2014 01:16 PM, Konstantin Khlebnikov wrote:
> reserve;
>
> +#ifdef CONFIG_DEBUG_VM
> + WARN_ONCE(percpu_counter_read(&vm_committed_as) <
> + -(s64)vm_committed_as_batch * num_online_cpus(),
> + "memory commitment underflow");
> +#endif
Why not
On Wed, 25 Jun 2014 00:16:14 +0400 Konstantin Khlebnikov
wrote:
> This patch prints warning (if CONFIG_DEBUG_VM=y) when
> memory commitment becomes too negative.
>
> ...
>
> --- a/mm/mmap.c
> +++ b/mm/mmap.c
> @@ -134,6 +134,12 @@ int __vm_enough_memory(struct mm_struct *mm, long pages,
> int
This patch prints warning (if CONFIG_DEBUG_VM=y) when
memory commitment becomes too negative.
Signed-off-by: Konstantin Khlebnikov
---
mm/mmap.c |6 ++
1 file changed, 6 insertions(+)
diff --git a/mm/mmap.c b/mm/mmap.c
index 129b847..d3decd9 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -13
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