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由 Wei Yang 提交于
The upper level of "if" makes sure (end >= next->vm_end), which means there are only two possibilities: 1) end == next->vm_end 2) end > next->vm_end remove_next is assigned to be (1 + end > next->vm_end). This means if remove_next is 1, end must equal to next->vm_end. The VM_WARN_ON will never trigger. Link: http://lkml.kernel.org/r/20190912063126.13250-1-richardw.yang@linux.intel.comSigned-off-by: NWei Yang <richardw.yang@linux.intel.com> Reviewed-by: NAndrew Morton <akpm@linux-foundation.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Yang Shi <yang.shi@linux.alibaba.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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