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SubjectRe: limit on number of kmapped pages
David Wragg <> writes:

> I'd still like to know what the basis for the current kmap limit
> setting is.

Mostly at one point kmap_atomic was all there was. It was only the
difficulty of implementing copy_from_user with kmap_atomic that convinced
people we needed something more. So actually if we can kmap several
megabyte at once the kmap limit is quite high.


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