linux-kernel - Re: [PATCH 2/3 -mm] slub: use lib/hexdump

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Message-ID: <Pine.LNX.4.64.0705301501470.7502@schroedinger.engr.sgi.com>
Date:	Wed, 30 May 2007 15:03:11 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3 -mm] slub: use lib/hexdump

I'd prefer something like this:

Use hexdump in slub.

Signed-off-by: Christoph Lameter <clameter@....com>

Index: slub/mm/slub.c
===================================================================
--- slub.orig/mm/slub.c	2007-05-30 14:56:14.000000000 -0700
+++ slub/mm/slub.c	2007-05-30 15:01:33.000000000 -0700
@@ -339,34 +339,10 @@ static char *slub_debug_slabs;
  */
 static void print_section(char *text, u8 *addr, unsigned int length)
 {
-	int i, offset;
-	int newline = 1;
-	char ascii[17];
-
-	ascii[16] = 0;
-
-	for (i = 0; i < length; i++) {
-		if (newline) {
-			printk(KERN_ERR "%8s 0x%p: ", text, addr + i);
-			newline = 0;
-		}
-		printk(" %02x", addr[i]);
-		offset = i % 16;
-		ascii[offset] = isgraph(addr[i]) ? addr[i] : '.';
-		if (offset == 15) {
-			printk(" %s\n",ascii);
-			newline = 1;
-		}
-	}
-	if (!newline) {
-		i %= 16;
-		while (i < 16) {
-			printk("   ");
-			ascii[i] = ' ';
-			i++;
-		}
-		printk(" %s\n", ascii);
-	}
+	char buf[10];
+
+	sprintf(buf, "%8s:", text);
+	print_hex_dump(KERN_ERR, buf, DUMP_PREFIX_ADDRESS, 16, 1, addr, length, 1);
 }
 
 static struct track *get_track(struct kmem_cache *s, void *object,

-
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