Messages in this thread | | | Date | Wed, 20 Mar 2019 01:01:06 +0000 | From | Christopher Lameter <> | Subject | Re: [PATCH v4 1/1] mm: introduce put_user_page*(), placeholder versions |
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On Wed, 20 Mar 2019, Dave Chinner wrote:
> So the plan for GUP vs writeback so far is "break fsync()"? :)
Well if its an anonymous page and not a file backed page then the semantics are preserved. Disallow GUP long term pinning (marking stuff like in this patchset may make that possible) and its clean.
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