Re: [PATCH 3/3] mm/mmu_gather: send tlb_remove_table_smp_sync IPI only to CPUs in kernel mode

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On Thu, Apr 06, 2023 at 09:38:50AM -0300, Marcelo Tosatti wrote:

> > To actually hit this path you're doing something really dodgy.
> 
> Apparently khugepaged is using the same infrastructure:
> 
> $ grep tlb_remove_table khugepaged.c 
> 	tlb_remove_table_sync_one();
> 	tlb_remove_table_sync_one();
> 
> So just enabling khugepaged will hit that path.

Urgh, WTF..

Let me go read that stuff :/




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