Messages in this thread | | | Date | Mon, 28 Jan 2008 08:20:48 -0800 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd |
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Ingo Molnar wrote: > and after a session of bisection, the winner patch is: > > Subject: x86: unify PAE/non-PAE pgd_ctor > > which is a tad unexpected, given the relatively harmless nature of the > patch. (but then again, nothing is really harmless in PAE land.) >
Oh, well, good. At least off-the-cuff diagnosis was right. I must have overlooked some detail in that merge.
> btw., this is not fair i think: your patch was apparently caught by the > new debugging helper that tells about itself here: > > >> [ 29.389872] debug: unmapping init memory c0b03000..c0b6f000 >> > > note the close proximity of c0b6f000 and ebx = c0b6fc08. [ I regularly > come up with such nasty tricks and debugging helpers like that to catch > bad patches off-guard. You have been warned! ;-) ] >
Hm, perhaps, but it could be as easily coincidence. The place there initmem is freed is close to where it first needs to rely on a non-initmm pagetable. I presume that message means that c0b6f000 was *not* freed.
J
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