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Groups > linux.kernel > #1335249
| From | "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCHv2 19/28] thp: run vma_adjust_trans_huge() outside i_mmap_rwsem |
| Date | 2016-02-16 11:20 +0100 |
| Message-ID | <r2KTE-6wn-13@gated-at.bofh.it> (permalink) |
| References | <r10pQ-1zg-3@gated-at.bofh.it> <r10pR-1zg-41@gated-at.bofh.it> <r1r6H-2oL-33@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Feb 12, 2016 at 10:50:02AM -0800, Dave Hansen wrote: > On 02/11/2016 06:21 AM, Kirill A. Shutemov wrote: > > vma_addjust_trans_huge() splits pmd if it's crossing VMA boundary. > > During split we munlock the huge page which requires rmap walk. > > rmap wants to take the lock on its own. > > Which lock are you talking about here? i_mmap_rwsem. It's in patch subject. I'll update body. -- Kirill A. Shutemov
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[PATCHv2 19/28] thp: run vma_adjust_trans_huge() outside i_mmap_rwsem "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-02-11 15:30 +0100
Re: [PATCHv2 19/28] thp: run vma_adjust_trans_huge() outside i_mmap_rwsem Dave Hansen <dave.hansen@intel.com> - 2016-02-12 20:00 +0100
Re: [PATCHv2 19/28] thp: run vma_adjust_trans_huge() outside i_mmap_rwsem "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-02-16 11:20 +0100
Re: [PATCHv2 19/28] thp: run vma_adjust_trans_huge() outside i_mmap_rwsem Dave Hansen <dave.hansen@intel.com> - 2016-02-16 16:50 +0100
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