Re: [PATCH] mm: fix up a spurious page fault whenever it happens

From: Stanislav Meduna
Date: Fri May 24 2013 - 06:28:46 EST


On 24.05.2013 10:29, Stanislav Meduna wrote:

>>>> static inline void __native_flush_tlb_single(unsigned long addr)
>>>> {
>>>> __flush_tlb();
>>>> }
>>
>>> I will give it some more testing time.
>>
>> That is a good idea.
>
> Still no crash, so this one indeed seems to change things.

Take that back, now crashed as well, it just took longer.
min_flt of two threads jumped from zero at 1848 (lower prio)
and 735993 (higher prio, preempted the first one) respectively,
1.7 seconds hang.

--
Stano

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