Messages in this thread | | | Date | Thu, 26 Jan 2017 07:44:39 -0800 | From | Matthew Wilcox <> | Subject | Re: [PATCHv6 06/37] thp: handle write-protection faults for file THP |
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On Thu, Jan 26, 2017 at 02:57:48PM +0300, Kirill A. Shutemov wrote: > For filesystems that wants to be write-notified (has mkwrite), we will > encount write-protection faults for huge PMDs in shared mappings. > > The easiest way to handle them is to clear the PMD and let it refault as > wriable.
... of course, the filesystem could implement ->pmd_fault, and then it wouldn't hit this case ...
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