Re: [PATCH v2 0/2] Dummy HPAGE_* constants for!CONFIG_HUGETLB_PAGE

From: David Rientjes
Date: Thu Nov 17 2011 - 18:22:07 EST


On Thu, 17 Nov 2011, David Daney wrote:

> From: David Daney <david.daney@xxxxxxxxxx>
>
> After a, somewhat heated, discussion with David Rientjes, I think the
> following approach will work.
>
> The first patch adds HPAGE_SHIFT, needed by MIPS.
>
> The second cleans up the exiting HPAGE_MASK and HPAGE_SIZE
>
> David Daney (2):
> hugetlb: Provide a default HPAGE_SHIFT if !CONFIG_HUGETLB_PAGE
> hugetlb: Provide safer dummy values for HPAGE_MASK and HPAGE_SIZE
>
> include/linux/hugetlb.h | 6 ++++--
> 1 files changed, 4 insertions(+), 2 deletions(-)
>
> Cc: David Rientjes <rientjes@xxxxxxxxxx>

Nack on both, we already discussed this in the other thread (and I
wouldn't call it "somewhat heated").

We don't need these dummy definitions at all for any current architectures
that use them and they should be removed so that any future code using
them will have the proper dependency on CONFIG_HUGETLB_PAGE.
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