linux-kernel - [PATCH] x86: remove (null) in /sys kernel_page

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Message-ID: <49E43282.1090607@kernel.org>
Date:	Mon, 13 Apr 2009 23:51:46 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86: remove (null) in /sys kernel_page_tables


Impact: clearnup

%p prints out 0x000000000000000 as (null)
so use %lx instead.

Signed-off-by: Yinghai Lu <yinghai@...nel.org>

---
 arch/x86/mm/dump_pagetables.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

Index: linux-2.6/arch/x86/mm/dump_pagetables.c
===================================================================
--- linux-2.6.orig/arch/x86/mm/dump_pagetables.c
+++ linux-2.6/arch/x86/mm/dump_pagetables.c
@@ -161,13 +161,14 @@ static void note_page(struct seq_file *m
 		   st->current_address >= st->marker[1].start_address) {
 		const char *unit = units;
 		unsigned long delta;
+		int width = sizeof(unsigned long) * 2;
 
 		/*
 		 * Now print the actual finished series
 		 */
-		seq_printf(m, "0x%p-0x%p   ",
-			   (void *)st->start_address,
-			   (void *)st->current_address);
+		seq_printf(m, "0x%0*lx-0x%0*lx   ",
+			   width, st->start_address,
+			   width, st->current_address);
 
 		delta = (st->current_address - st->start_address) >> 10;
 		while (!(delta & 1023) && unit[1]) {
--
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