| Subject | Re: [PATCHv2 17/28] thp: skip file huge pmd on copy_huge_pmd() | From | Dave Hansen <> | Date | Fri, 12 Feb 2016 10:42:09 -0800 |
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On 02/11/2016 06:21 AM, Kirill A. Shutemov wrote: > File pmds can be safely skip on copy_huge_pmd(), we can re-fault them > later. COW for file mappings handled on pte level.
Is this different from 4k pages? I figured we might skip copying file-backed ptes on fork, but I couldn't find the code.
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