| Date | Tue, 22 Sep 2015 10:41:21 -0700 | Subject | Re: [PATCH 01/11] x86/mm/pat: Don't free PGD entries on memory unmap | From | Linus Torvalds <> |
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On Mon, Sep 21, 2015 at 11:23 PM, Ingo Molnar <mingo@kernel.org> wrote: > > This complicates PGD management, so don't do this. We can keep the > PGD mapped and the PUD table all clear - it's only a single 4K page > per 512 GB of memory mapped.
I'm ok with this just from a "it removes code" standpoint. That said, some of the other patches here make me go "hmm". I'll answer them separately.
Linus
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