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H A Dtee_pager.c7d2b71d6d30ffe2fdf05a81db7a698232ea34724 Fri Nov 08 14:41:46 UTC 2019 Jens Wiklander <jens.wiklander@linaro.org> core: vm_set_prot() and friends works across VM regions

Updates vm_set_prot() and friends to work on memory ranges which doesn't
necessarily align with the underlying VM regions. VM regions are split
as needed to perform the operations, with operations completed VM
regions in the supplied memory range are merged if possible. The only
restriction on a supplied memory range is that the already present
mapping is compatible with the change.

Note that this also affect pager which also splits and merges pager
areas as needed.

Acked-by: Pipat Methavanitpong <pipat.methavanitpong@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>