Messages in this thread | | | Date | Fri, 20 Apr 2012 20:52:55 +1000 | From | Nick Piggin <> | Subject | Re: [PATCH v2 05/10] mm: kill vma flag VM_CAN_NONLINEAR |
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On Sat, Apr 07, 2012 at 11:01:15PM +0400, Konstantin Khlebnikov wrote: > This patch moves actual ptes filling for non-linear file mappings > into special vma operation: ->remap_pages(). > > Now fs must implement this method to get non-linear mappings support. > If fs uses filemap_fault() then it can use generic_file_remap_pages() for this. >
This should enable drivers that prepopulate mappings at mmap() time to support nonlinear mappings! (I don't know if anyone uses these things anymore, or ever had except for Oracle, but that's quite besides the point).
Please update documentation?
Thanks, Nick
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