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RE: [PATCH v8 1/8] mm/memfd: Introduce userspace inaccessible memfd
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From: |
Wang, Wei W |
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Subject: |
RE: [PATCH v8 1/8] mm/memfd: Introduce userspace inaccessible memfd |
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Date: |
Thu, 22 Sep 2022 13:26:47 +0000 |
On Thursday, September 15, 2022 10:29 PM, Chao Peng wrote:
> +int inaccessible_get_pfn(struct file *file, pgoff_t offset, pfn_t *pfn,
> + int *order)
Better to remove "order" from this interface?
Some callers only need to get pfn, and no need to bother with
defining and inputting something unused. For callers who need the "order",
can easily get it via thp_order(pfn_to_page(pfn)) on their own.
- Re: [PATCH v8 1/8] mm/memfd: Introduce userspace inaccessible memfd, (continued)
- Re: [PATCH v8 1/8] mm/memfd: Introduce userspace inaccessible memfd, Kirill A . Shutemov, 2022/09/22
- Re: [PATCH v8 1/8] mm/memfd: Introduce userspace inaccessible memfd, David Hildenbrand, 2022/09/26
- Re: [PATCH v8 1/8] mm/memfd: Introduce userspace inaccessible memfd, Kirill A. Shutemov, 2022/09/26
- Re: [PATCH v8 1/8] mm/memfd: Introduce userspace inaccessible memfd, David Hildenbrand, 2022/09/26
- Re: [PATCH v8 1/8] mm/memfd: Introduce userspace inaccessible memfd, Sean Christopherson, 2022/09/27
- Re: [PATCH v8 1/8] mm/memfd: Introduce userspace inaccessible memfd, Kirill A. Shutemov, 2022/09/28
RE: [PATCH v8 1/8] mm/memfd: Introduce userspace inaccessible memfd,
Wang, Wei W <=
Re: [PATCH v8 1/8] mm/memfd: Introduce userspace inaccessible memfd, Fuad Tabba, 2022/09/30
[PATCH v8 3/8] KVM: Add KVM_EXIT_MEMORY_FAULT exit, Chao Peng, 2022/09/15
[PATCH v8 2/8] KVM: Extend the memslot to support fd-based private memory, Chao Peng, 2022/09/15