On Fri, Mar 30, 2018 at 6:13 PM, Andrey Ryabinin
<aryabinin@xxxxxxxxxxxxx> wrote:
>
>
> On 03/23/2018 09:05 PM, Andrey Konovalov wrote:
>
>> diff --git a/mm/kasan/khwasan.c b/mm/kasan/khwasan.c
>> index 24d75245e9d0..da4b17997c71 100644
>> --- a/mm/kasan/khwasan.c
>> +++ b/mm/kasan/khwasan.c
>> @@ -39,6 +39,57 @@
>> #include "kasan.h"
>> #include "../slab.h"
>>
>> +int khwasan_enabled;
>
> This is not unused (set, but never used).
It's used in the "khwasan: add hooks implementation" patch. I'll move
it's declaration there as well.
Thanks!
>
>> +
>> +static DEFINE_PER_CPU(u32, prng_state);
>> +
>> +void khwasan_init(void)
>> +{
>> + int cpu;
>> +
>> + for_each_possible_cpu(cpu) {
>> + per_cpu(prng_state, cpu) = get_random_u32();
>> + }
>> + WRITE_ONCE(khwasan_enabled, 1);
>> +}
>> +
>
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