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8ac9b9d61f
Update our memcmp selftest, to test the case where we're comparing up to the end of a page and the subsequent page is not mapped. We have to make sure we don't read off the end of the page and cause a fault. We had a bug there in the past, fixed in commit d9470757398a ("powerpc/64: Fix memcmp reading past the end of src/dest"). Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200722055315.962391-1-mpe@ellerman.id.au