It was introduced in commit f2ca09f381a59 (ARM: 8311/1: Don't use is_module_addr in setting page attributes)
We have no need to check start twice, but see if end is also in range. Signed-off-by: Hillf Danton <hillf...@alibaba-inc.com> Acked-by: Laura Abbott <la...@labbott.name> --- --- a/arch/arm/mm/pageattr.c Mon May 4 10:33:49 2015 +++ b/arch/arm/mm/pageattr.c Mon May 4 10:35:32 2015 @@ -52,7 +52,7 @@ static int change_memory_common(unsigned if (start < MODULES_VADDR || start >= MODULES_END) return -EINVAL; - if (end < MODULES_VADDR || start >= MODULES_END) + if (end < MODULES_VADDR || end >= MODULES_END) return -EINVAL; data.set_mask = set_mask; -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/