Messages in this thread | | | Date | Wed, 21 Mar 2007 17:53:48 -0500 | From | Matt Mackall <> | Subject | Re: pagetable_ops: Hugetlb character device example |
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On Wed, Mar 21, 2007 at 03:26:59PM -0700, William Lee Irwin III wrote: > On Wed, 21 Mar 2007 14:43:48 CDT, Adam Litke said: > >> The main reason I am advocating a set of pagetable_operations is to > >> enable the development of a new hugetlb interface. > > On Wed, Mar 21, 2007 at 03:51:31PM -0400, Valdis.Kletnieks@vt.edu wrote: > > Do you have an exit strategy for the *old* interface? > > Hello. > > My exit strategy was to make hugetlbfs an alias for ramfs when ramfs > acquired the necessary functionality until expand-on-mmap() was merged. > That would've allowed rm -rf fs/hugetlbfs/ outright. A compatibility > wrapper for expand-on-mmap() around ramfs once ramfs acquires the > necessary functionality is now the exit strategy.
Can you describe what ramfs needs here in a bit more detail?
If it's non-trivial, I'd rather see any new functionality go into shmfs/tmpfs, as ramfs has done a good job at staying a minimal fs thus far.
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