Messages in this thread | | | Date | Thu, 2 Mar 2023 17:00:18 -0500 | From | Peter Xu <> | Subject | Re: [PATCH v2] mm/uffd: UFFD_FEATURE_WP_UNPOPULATED |
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On Thu, Mar 02, 2023 at 08:14:05PM +0500, Muhammad Usama Anjum wrote: > I've heard about a use case where a file of size 10s of GBs can be mapped > to the memory and then accessed off and on. We need to handle this > correctly and efficiently.
Note again that besides any slowness it'll stop working for generic FSs.
One way is we can consider enabling uffd-wp async for all archs, but I need to think more about it, and it will not be compatible with any other modes.
-- Peter Xu
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