Re: [RFC PATCH 2/4] mm: Change the interface for __tlb_remove_page

From	"Hillf Danton" <hillf.zj@alibaba-inc.com>
Newsgroups	linux.kernel
Subject	Re: [RFC PATCH 2/4] mm: Change the interface for __tlb_remove_page
Date	2016-05-31 09:40 +0200
Message-ID	<rEMrn-83O-11@gated-at.bofh.it> (permalink)
References	<rEqqS-1yz-13@gated-at.bofh.it> <rEqqS-1yz-11@gated-at.bofh.it> <rExsl-63s-7@gated-at.bofh.it> <rEJ0t-5zg-3@gated-at.bofh.it> <rELOG-7tj-9@gated-at.bofh.it>
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> > 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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Re: [RFC PATCH 2/4] mm: Change the interface for __tlb_remove_page "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-05-30 10:10 +0200
  Re: [RFC PATCH 2/4] mm: Change the interface for __tlb_remove_page "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2016-05-30 17:40 +0200
    Re: [RFC PATCH 2/4] mm: Change the interface for __tlb_remove_page "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-05-31 06:00 +0200
      Re: [RFC PATCH 2/4] mm: Change the interface for __tlb_remove_page "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2016-05-31 09:00 +0200
        Re: [RFC PATCH 2/4] mm: Change the interface for __tlb_remove_page "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-05-31 09:40 +0200

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