Re: fix iounmap and a pageattr memleak (x86 and x86-64)

Dave Hansen
2004-11-02T22:34:31Z

Andrew Morton wrote:
> Dave Hansen <haveblue@us.ibm.com> wrote:
>
>>Andrea Arcangeli wrote:
>>
>>>Still I recommend investigating _why_ debug_pagealloc is violating the
>>>API. It might not be necessary to wait for the pageattr universal
>>>feature to make DEBUG_PAGEALLOC work safe.
>>
>>OK, good to know. But, for now, can we pull this out of -mm? Or, at
>>least that BUG_ON()? DEBUG_PAGEALLOC is an awfully powerful debugging
>>tool to just be removed like this.
>
> If we make it a WARN_ON, will that cause a complete storm of output?

Yeah, just tried it. I hit a couple hundred of them before I got to init.