From: Sergei Shtylyov <sshtylyov@mvista.com>
To: Hillf Danton <dhillf@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>,
David Daney <david.daney@cavium.com>,
"Jayachandran C." <jayachandranc@netlogicmicro.com>,
linux-mips@linux-mips.org
Subject: Re: [PATCH] MIPS: Flush huge TLB
Date: Mon, 21 Nov 2011 14:48:07 +0400 [thread overview]
Message-ID: <4ECA2C67.9040406@mvista.com> (raw)
In-Reply-To: <CAJd=RBBTx8zWrFfVQGMK=aj=iPO_+i6nvqkhGDfYp_9=d1hyEw@mail.gmail.com>
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@gmail.com>
> ---
> --- 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
prev parent reply other threads:[~2011-11-21 10:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-18 13:15 [PATCH] MIPS: Flush huge TLB Hillf Danton
2011-11-18 14:46 ` Ralf Baechle
2011-11-18 14:55 ` Hillf Danton
2011-11-21 10:48 ` Sergei Shtylyov [this message]
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