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

Andrew Morton
2004-11-02T22:26:49Z

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?