Re: [RFC][PATCH 07/11] arm/tlb: Convert to generic mmu_gather

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On Tue, Sep 18, 2018 at 03:10:34PM +0100, Will Deacon wrote:
> > +	addr = (addr & PMD_MASK) + SZ_1M;
> > +	__tlb_adjust_range(tlb, addr - PAGE_SIZE, addr + PAGE_SIZE);
> 
> Hmm, I don't think you've got the range correct here. Don't we want
> something like:
> 
> 	__tlb_adjust_range(tlb, addr - PAGE_SIZE, 2 * PAGE_SIZE)
> 
> to ensure that we flush on both sides of the 1M boundary?

Argh indeed. I confused {start,size} with {start,end}. Thanks!




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