annoying prinkts during vmemmap initialization

Stephen Rothwell sfr at
Thu Nov 22 09:41:45 EST 2007

Hi Christoph,

On Wed, 21 Nov 2007 16:35:26 +0100 Christoph Hellwig <hch at> wrote:
> Hi Andi,
> your patch 'ppc64: SPARSEMEM_VMEMMAP support' adds the following two lines:
> +               printk(KERN_WARNING "vmemmap %08lx allocated at %p, "
> +                                       "physical %p.\n", start, p, __pa(p));
> in a loop around basically every page.  That's a lot of flooding (with
> the wrong printk level, btw) and really slows down booting my cell blade
> a lot (these only have a very slow serial over lan console).
> Any reason to keep this?  And if yes can we please make it conditional
> on some kind of vmemmap_debug boot option?

These have been changed to pr_debug() in 2.6.24-rc3 kernel.

Stephen Rothwell                    sfr at
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