[RFC PATCH 1/6] selftest/mremap_test: Update the test to handle pagesize other than 4K · Aneesh Kumar K.V <hidden> · 2021-02-02
[RFC PATCH 3/6] mm/mremap: Use pmd/pud_poplulate to update page table entries · Aneesh Kumar K.V <hidden> · 2021-02-02
Re: [RFC PATCH 3/6] mm/mremap: Use pmd/pud_poplulate to update page table entries · Peter Zijlstra <peterz@infradead.org> · 2021-02-02
Re: [RFC PATCH 3/6] mm/mremap: Use pmd/pud_poplulate to update page table entries · Aneesh Kumar K.V <hidden> · 2021-02-02
[RFC PATCH 2/6] selftest/mremap_test: Avoid crash with static build · Aneesh Kumar K.V <hidden> · 2021-02-02
[RFC PATCH 4/6] mm/mremap: Use mmu gather interface instead of flush_tlb_range · Aneesh Kumar K.V <hidden> · 2021-02-02
[RFC PATCH 5/6] mm/mremap: Allow arch runtime override · Aneesh Kumar K.V <hidden> · 2021-02-02
[RFC PATCH 6/6] powerpc/mm: Enable move pmd/pud · Aneesh Kumar K.V <hidden> · 2021-02-02
Re: [RFC PATCH 1/6] selftest/mremap_test: Update the test to handle pagesize other than 4K · Li Xinhai <hidden> · 2021-02-02
Re: [RFC PATCH 1/6] selftest/mremap_test: Update the test to handle pagesize other than 4K · Aneesh Kumar K.V <hidden> · 2021-02-02

Re: [RFC PATCH 3/6] mm/mremap: Use pmd/pud_poplulate to update page table entries

From: Peter Zijlstra <peterz@infradead.org>
Date: 2021-02-02 10:47:31
Also in: linuxppc-dev

On Tue, Feb 02, 2021 at 02:41:13PM +0530, Aneesh Kumar K.V wrote:

pmd/pud_populate is the right interface to be used to set the respective
page table entries. Some architectures do assume that set_pmd/pud_at
can only be used to set a hugepage PTE. Since we are not setting up a hugepage
PTE here, use the pmd/pud_populate interface.

Since you did the audit, it might be nice to record which architectures
that are. Also, how much work to fix them?

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