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SubjectRe: [PATCH][trivial][2/2] cris: add constfy to pgd_offset()
On Sat, Apr 19, 2008 at 12:09:25PM +0200, KOSAKI Motohiro wrote:
> add constfy to pgd_offset() for avoid following warnings.
>
> CC mm/pagewalk.o
> mm/pagewalk.c: In function 'walk_page_range':
> mm/pagewalk.c:111: warning: passing argument 1 of 'pgd_offset' discards qualifiers from p\
> ointer target type
>
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> CC: Matt Mackall <mpm@selenic.com>
> CC: "Vegard Nossum" <vegard.nossum@gmail.com>
> CC: Mikael Starvik <starvik@axis.com>
> CC: Jesper Nilsson <jesper.nilsson@axis.com>
>
> ---
> include/asm-cris/pgtable.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: b/include/asm-cris/pgtable.h
> ===================================================================
> --- a/include/asm-cris/pgtable.h 2008-04-19 19:25:50.000000000 +0900
> +++ b/include/asm-cris/pgtable.h 2008-04-19 19:27:31.000000000 +0900
> @@ -229,7 +229,7 @@ static inline void pmd_set(pmd_t * pmdp,
> #define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
>
> /* to find an entry in a page-table-directory */
> -static inline pgd_t * pgd_offset(struct mm_struct * mm, unsigned long address)
> +static inline pgd_t * pgd_offset(const struct mm_struct * mm, unsigned long address)
> {
> return mm->pgd + pgd_index(address);
> }

Thanks, I've added the following to the CRIS-tree.

---
include/asm-cris/pgtable.h | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/include/asm-cris/pgtable.h b/include/asm-cris/pgtable.h
index a260757..a307ed6 100644
--- a/include/asm-cris/pgtable.h
+++ b/include/asm-cris/pgtable.h
@@ -229,7 +229,8 @@ static inline void pmd_set(pmd_t * pmdp, pte_t * ptep)
#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))

/* to find an entry in a page-table-directory */
-static inline pgd_t * pgd_offset(struct mm_struct * mm, unsigned long address)
+static inline pgd_t *pgd_offset(const struct mm_struct *mm,
+ unsigned long address)
{
return mm->pgd + pgd_index(address);
}
--
1.5.4.2.133.g3d51e
/^JN - Jesper Nilsson
--
Jesper Nilsson -- jesper.nilsson@axis.com


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