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Groups > linux.kernel > #1728665
| From | Christoph Hellwig <hch@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v6 01/11] mm: add MAP_HUGETLB support to vm_mmap |
| Date | 2017-09-08 09:50 +0200 |
| Message-ID | <unmd4-3LR-7@gated-at.bofh.it> (permalink) |
| References | <un8Wu-3e6-13@gated-at.bofh.it> <un8Ww-3e6-67@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Sep 07, 2017 at 11:35:59AM -0600, Tycho Andersen wrote:
> vm_mmap is exported, which means kernel modules can use it. In particular,
> for testing XPFO support, we want to use it with the MAP_HUGETLB flag, so
> let's support it via vm_mmap.
> } else if (flags & MAP_HUGETLB) {
> + file = map_hugetlb_setup(&len, flags);
> if (IS_ERR(file))
> return PTR_ERR(file);
> }
It seems like you should remove this hunk entirely and make all
MAP_HUGETLB calls go through vm_mmap.
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[PATCH v6 00/11] Add support for eXclusive Page Frame Ownership Tycho Andersen <tycho@docker.com> - 2017-09-07 19:40 +0200
[PATCH v6 05/11] arm64/mm: Add support for XPFO Tycho Andersen <tycho@docker.com> - 2017-09-07 19:40 +0200
Re: [PATCH v6 05/11] arm64/mm: Add support for XPFO Christoph Hellwig <hch@infradead.org> - 2017-09-08 10:00 +0200
Re: [PATCH v6 05/11] arm64/mm: Add support for XPFO Tycho Andersen <tycho@docker.com> - 2017-09-08 19:30 +0200
[PATCH v6 01/11] mm: add MAP_HUGETLB support to vm_mmap Tycho Andersen <tycho@docker.com> - 2017-09-07 19:40 +0200
Re: [PATCH v6 01/11] mm: add MAP_HUGETLB support to vm_mmap Christoph Hellwig <hch@infradead.org> - 2017-09-08 09:50 +0200
[PATCH v6 02/11] x86: always set IF before oopsing from page fault Tycho Andersen <tycho@docker.com> - 2017-09-07 19:40 +0200
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