From: "Hillf Danton" <hillf.zj@alibaba-inc.com>
To: "'Aneesh Kumar K.V'" <aneesh.kumar@linux.vnet.ibm.com>
Cc: 'linux-kernel' <linux-kernel@vger.kernel.org>, linux-mm@kvack.org
Subject: Re: [RFC PATCH 2/4] mm: Change the interface for __tlb_remove_page
Date: Tue, 31 May 2016 15:26:36 +0800 [thread overview]
Message-ID: <004f01d1bb0d$c4537db0$4cfa7910$@alibaba-inc.com> (raw)
In-Reply-To: <87h9de201i.fsf@skywalker.in.ibm.com>
> > Do you want to update ->addr here?
> >
>
> I don't get that question. We wanted to track the alst adjusted addr in
> tlb->addr because when we do a tlb_flush_mmu_tlbonly() we does a
> __tlb_reset_range(), which clears tlb->start and tlb->end. Now we need
> to update the range again with the last adjusted addr before we can call
> __tlb_remove_page(). Look for VM_BUG_ON(!tlb->end); in
> __tlb_remove_page().
>
Got, thanks.
Hillf
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next prev parent reply other threads:[~2016-05-31 7:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <001701d1ba44$b9c0d560$2d428020$@alibaba-inc.com>
2016-05-30 8:07 ` Hillf Danton
2016-05-30 15:34 ` Aneesh Kumar K.V
2016-05-31 3:52 ` Hillf Danton
2016-05-31 6:50 ` Aneesh Kumar K.V
2016-05-31 7:26 ` Hillf Danton [this message]
2016-05-30 5:44 [RFC PATCH 1/4] mm/hugetlb: Simplify hugetlb unmap Aneesh Kumar K.V
2016-05-30 5:44 ` [RFC PATCH 2/4] mm: Change the interface for __tlb_remove_page Aneesh Kumar K.V
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