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Groups > linux.kernel > #1684832
| From | Michal Hocko <mhocko@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() |
| Date | 2017-07-11 09:30 +0200 |
| Message-ID | <u1XMm-7Jj-7@gated-at.bofh.it> (permalink) |
| References | (3 earlier) <u1WwW-74G-21@gated-at.bofh.it> <u1WQh-7b3-1@gated-at.bofh.it> <u1Xjl-7kC-19@gated-at.bofh.it> <u1Xjl-7kC-29@gated-at.bofh.it> <u1XCF-7G3-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue 11-07-17 09:16:12, Michal Hocko wrote:
> On Tue 11-07-17 08:56:04, Vlastimil Babka wrote:
[...]
> > It doesn't explain why it's redundant, indeed. Unfortunately, the commit
> > f106af4e90ea ("fix checks for expand-in-place mremap") which added this,
> > also doesn't explain why it's needed.
>
> Because it doesn't do anything AFAICS.
Well, it does actually. I have missed security_mmap_addr hook.
--
Michal Hocko
SUSE Labs
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[RFC] mm/mremap: Remove redundant checks inside vma_expandable() Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-07-10 13:20 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Michal Hocko <mhocko@kernel.org> - 2017-07-10 15:50 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-07-11 06:30 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Michal Hocko <mhocko@kernel.org> - 2017-07-11 08:10 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Vlastimil Babka <vbabka@suse.cz> - 2017-07-11 08:30 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Michal Hocko <mhocko@kernel.org> - 2017-07-11 09:00 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Vlastimil Babka <vbabka@suse.cz> - 2017-07-11 09:00 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Michal Hocko <mhocko@kernel.org> - 2017-07-11 09:20 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Michal Hocko <mhocko@kernel.org> - 2017-07-11 09:30 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-07-11 13:20 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-07-11 13:20 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-07-11 13:10 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Michal Hocko <mhocko@kernel.org> - 2017-07-11 13:30 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-07-11 13:10 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-07-11 11:50 +0200
Re: [RFC] mm/mremap: Remove redundant checks inside vma_expandable() Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-07-11 06:40 +0200
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