[PATCH] crash: s390x: Auto-detect the correct MAX_PHYSMEM_BITS used in vmcore being analyzed

Dave Anderson anderson at redhat.com
Thu Dec 22 09:53:24 EST 2011



----- Original Message -----
> Hi Dave,
> 
> On Thu, 2011-12-22 at 09:19 -0500, Dave Anderson wrote:
> > 
> > ----- Original Message -----
> > > 
> > > Unfortunately Mahesh is currently not online. We still have some time
> > > because Martin's kernel patch that introduces the change will go into
> > > Linux version 3.3.
> > > 
> > > So perhaps you make your crash release without this patch.
> > > 
> > > Michael
> > 
> > Tell you what -- I'm going to make a hybrid patch, using Mahesh's
> > more understandable-yet-longer function, but with your verify_pfn()
> > and STRUCT_SIZE_INIT("mem_section") movement, along with a default
> > setting of 42 and a non-fatal WARNING message if things fail.
> > I'll verify it on RHEL5 and RHEL6.
> > 
> > If you want to change it later, that will be fine, too.
> 
> Ok, I will have a look at your next crash release in the new year.
> 
> Thanks!
> 
> Michael
 
I've attached what I'm going with -- freshly tested on RHEL5 and RHEL6.
And interestingly enough -- even RHEL5 is still FLATMEM. 

Thanks guys,
  Dave

 
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