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James Hogan authored
Commit c5b36783 ("MIPS: Add support for XPA.") added generation of a shift by _PAGE_PRESENT_SHIFT in build_pte_present() and build_pte_writable(), however except for the XPA case this is always zero making it unnecessary. Make the shift conditional upon _PAGE_PRESENT_SHIFT being non-zero to save an instruction in those cases. Fixes: c5b36783 ("MIPS: Add support for XPA.") Signed-off-by:
James Hogan <james.hogan@imgtec.com> Cc: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/9889/Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
8fe4908b