Re: [PATCH] MIPS: Flush huge TLB

[Sergei Shtylyov <sshtylyov@xxxxxxxxxx>]

Hello.

On 18-11-2011 17:15, Hillf Danton wrote:

> When flushing TLB, if @vma is backed by huge page, we could flush huge TLB,
> due to that huge page is defined to be far from normal page.

> Signed-off-by: Hillf Danton<dhillf@xxxxxxxxx>
> ---

> --- a/arch/mips/mm/tlb-r4k.c	Mon May 30 21:17:04 2011
> +++ b/arch/mips/mm/tlb-r4k.c	Fri Nov 18 21:13:13 2011
> @@ -120,22 +120,30 @@ void local_flush_tlb_range(struct vm_are
[...]
>   				write_c0_entryhi(start | newpid);
> -				start += (PAGE_SIZE<<  1);
> +				if (huge)
> +					start += HPAGE_SIZE;
> +				else
> +					start += (PAGE_SIZE << 1);

   Parens not needed.

WBR, Sergei