[PATCH v2 02/20] ARM: LPAE: Factor out 2-level page table definitions into separate files

[Russell King - ARM Linux]

On Tue, Nov 16, 2010 at 09:14:52AM +0000, Catalin Marinas wrote:
> On 15 November 2010 23:31, Russell King - ARM Linux
> <linux at arm.linux.org.uk> wrote:
> > This should become:
> >
> > typedef struct { pteval_t pte; } pte_t;
> >
> > L_PTE_* can then be declared using linux/const.h stuff to typedef them
> > to pteval_t.
> 
> I already do this for LPAE but can be done for the 2-level definitions
> for consistency.

No you don't.  You define the 2nd level definitions using pmd_t which
is _wrong_.  pmd_t is the type of the pmd container, not the pmd value.

> BTW, do you think it's worth adding STRICT_MM_TYPECHECKS for LPAE as
> well? It would probably spot some issues.

Definitely, because it'll throw out warnings for most of your _AT(pmd_t,)
definitions.