Messages in this thread | | | Date | Wed, 16 Sep 2020 06:21:26 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH 2/2] fs: Do not update nr_thps for mappings which support THPs |
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On Wed, Sep 16, 2020 at 04:27:17AM +0100, Matthew Wilcox (Oracle) wrote: > The nr_thps counter is to support THPs in the page cache when the > filesystem doesn't understand THPs. Eventually it will be removed, but > we should still support filesystems which do not understand THPs yet. > Move the nr_thp manipulation functions to filemap.h since they're > page-cache specific.
Honestly I don't think we should support the read-only THP crap. We should in fact never have merged that bandaid to start with given that you did good progress on the real thing.
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