linux-kernel - [PATCH][trivial][1/2] ia64: add constfy to pgd

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Message-Id: <20080419190442.A8F4.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Sat, 19 Apr 2008 19:07:02 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	"Vegard Nossum" <vegard.nossum@...il.com>,
	"Matt Mackall" <mpm@...enic.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	dev-etrax@...s.com, "Luck, Tony" <tony.luck@...el.com>,
	linux-ia64 <linux-ia64@...r.kernel.org>
Cc:	kosaki.motohiro@...fujitsu.com
Subject: [PATCH][trivial][1/2] ia64: add constfy to pgd_offset()

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@...fujitsu.com>
CC: Matt Mackall <mpm@...enic.com>
CC: "Vegard Nossum" <vegard.nossum@...il.com>
CC: "Luck, Tony" <tony.luck@...el.com>

---
 include/asm-ia64/pgtable.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: b/include/asm-ia64/pgtable.h
===================================================================
--- a/include/asm-ia64/pgtable.h        2008-04-19 17:46:11.000000000 +0900
+++ b/include/asm-ia64/pgtable.h        2008-04-19 19:20:16.000000000 +0900
@@ -371,7 +371,7 @@ pgd_index (unsigned long address)
 /* The offset in the 1-level directory is given by the 3 region bits
    (61..63) and the level-1 bits.  */
 static inline pgd_t*
-pgd_offset (struct mm_struct *mm, unsigned long address)
+pgd_offset (const struct mm_struct *mm, unsigned long address)
 {
        return mm->pgd + pgd_index(address);
 }



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