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由 Will Deacon 提交于
When running without an MMU, we do not need to install a mapping for the vectors page. Attempting to do so causes a compile-time error because install_special_mapping is not defined. This patch adds compile-time guards to the vector mapping functions so that we can build nommu configurations once more. Acked-by: NGreg Ungerer <gerg@uclinux.org> Signed-off-by: NWill Deacon <will.deacon@arm.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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