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It is implied that the memory returned from UncachedMemoryAllocationLib should have cache invalidated. So we invalidate memory range after changing memory attribute to uncached. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Heyi Guo <heyi.guo@linaro.org> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18920 6f19259b-4bc3-4df7-8a09-765794883524