On Thu, 7 Jun 2007, Andi Kleen wrote:
On Wed, Jun 06, 2007 at 04:27:46PM -0700, Jesse Barnes wrote:
On Wednesday, June 6, 2007 4:24 pm Justin Piszcz wrote:
The mem= approach though looks slightly off, but I haven't looked
at x86_64's mem= handling to see why. From a high level though,
adjusting end_pfn is the right thing to do, since theoretically
mem= could choose to make holes in your low memory and keep your
high memory in the allocation pools (though it's not generally
implemented this way).
Jesse
Ahh, ok! Sounds great, I will keep running the kernel with your
patch without mem= and let you know if I see any issues.
Chances of getting this into 2.6.22-rc5?
I'm not sure it's appropriate for -rc5 since it mucks around with some
early boot ordering, but I'll leave that to Andi, since it does address
some real bugs people have been seeing.
I don't think the patch is suitable for merging at this time. Perhaps
if it survives some time in -mm* / 2.6.23* it could be backported
in a later 2.6.22 stable release. But right now it definitely
needs more testing and addressing of my review comments.
Can we add your "Tested-by: Justin Piszcz <[email protected]>" to
the patch? :)
All such headers are only for the trail of blame and do you want to blame
Justin if anything goes wrong? Perhaps it should rather have a
Blame-to: <whoever wrote Justin/Jesse's BIOS> but that also wouldn't
help without concrete contact points.
-ANdi
Hah! Again, I'll keep runnihg with Jesse's patch and as long as I can
keep patching newer kernels I can continue to run with it. So far,
overnight with backups and the like, I have not noticed any problems.
Also tested logging in to X/KDE, no issues. [yet]
Justin.
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