linux-kernel - [PATCH 09/16] mm/ia64: use vm_flags

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Date:	Wed, 21 Mar 2012 10:56:50 +0400
From:	Konstantin Khlebnikov <khlebnikov@...nvz.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-mm@...ck.org, Tony Luck <tony.luck@...el.com>,
	linux-ia64@...r.kernel.org, linux-kernel@...r.kernel.org,
	Fenghua Yu <fenghua.yu@...el.com>
Subject: [PATCH 09/16] mm/ia64: use vm_flags_t for vma flags

Signed-off-by: Konstantin Khlebnikov <khlebnikov@...nvz.org>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Fenghua Yu <fenghua.yu@...el.com>
Cc: linux-ia64@...r.kernel.org
---
 arch/ia64/mm/fault.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index 20b3593..e50259d 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -80,7 +80,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
 	struct vm_area_struct *vma, *prev_vma;
 	struct mm_struct *mm = current->mm;
 	struct siginfo si;
-	unsigned long mask;
+	vm_flags_t mask;
 	int fault;
 
 	/* mmap_sem is performance critical.... */
@@ -135,10 +135,9 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
 #	define VM_WRITE_BIT	1
 #	define VM_EXEC_BIT	2
 
-#	if (((1 << VM_READ_BIT) != VM_READ || (1 << VM_WRITE_BIT) != VM_WRITE) \
-	    || (1 << VM_EXEC_BIT) != VM_EXEC)
-#		error File is out of sync with <linux/mm.h>.  Please update.
-#	endif
+	BUILD_BUG_ON((1 << VM_READ_BIT) != VM_READ);
+	BUILD_BUG_ON((1 << VM_WRITE_BIT) != VM_WRITE);
+	BUILD_BUG_ON((1 << VM_EXEC_BIT) != VM_EXEC);
 
 	if (((isr >> IA64_ISR_R_BIT) & 1UL) && (!(vma->vm_flags & (VM_READ | VM_WRITE))))
 		goto bad_area;

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