Re: [PATCH 5/9] XArray: entry in last level is not expected to be a node

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On Mon, Mar 30, 2020 at 07:28:21AM -0700, Matthew Wilcox wrote:
>On Mon, Mar 30, 2020 at 02:15:58PM +0000, Wei Yang wrote:
>> On Mon, Mar 30, 2020 at 05:48:42AM -0700, Matthew Wilcox wrote:
>> >On Mon, Mar 30, 2020 at 12:36:39PM +0000, Wei Yang wrote:
>> >> If an entry is at the last level, whose parent's shift is 0, it is not
>> >> expected to be a node. We can just leverage the xa_is_node() check to
>> >> break the loop instead of check shift additionally.
>> >
>> >I know you didn't run the test suite after making this change.
>> 
>> I did kernel build test, but not the test suite as you mentioned.
>> 
>> Would you mind sharing some steps on using the test suite? And which case you
>> think would trigger the problem?
>
>cd tools/testing/radix-tree/; make; ./main
>

Hmm... I did a make on top of 5.6-rc6, it failed. Would you mind taking a look
into this?

>The IDR tests are the ones which are going to trigger on this.

-- 
Wei Yang
Help you, Help me



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