kernel: avoid overflow in cmp_range
Avoid overflow possibility. [ The overflow is purely theoretical, since this is used for memory ranges that aren't even close to using the full 64 bits, but this is the right thing to do regardless. - Linus ] Signed-off-by: NLouis Langholtz <lou_langholtz@me.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Peter Anvin <hpa@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
Showing
想要评论请 注册 或 登录