Re: bug in 2.6.9-rc4-mm1 ia64/mm/init.c

[David Mosberger]

>>>>> On Tue, 12 Oct 2004 17:21:41 -0700 (PDT), <akepner@xxxxxxx> said:

  >> Hi Folks;

  >> Tried a kernel built with akpm's 2.6.9-rc4-mm1 patch today (using
  >> a default sn2 .config file.) It crashes on boot with:

  >> ....  SGI SAL version 3.40 Virtual mem_map starts at
  >> 0xa0007ffe85938000 Unable to handle kernel paging request at
  >> virtual address a0007ffeaf970000 swapper[0]: Oops 8813272891392
  >> [1] Modules linked in:

  >> I traced this down to a recent patch (see
  >> http://marc.theaimsgroup.com/?l=linux-mm&m=109723728329408&w=2)
  >> which contains:

Why was this patch even accepted?  It seemed rather dubious to me and
I don't recall much discussion on its merits or safety.

	--david
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