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From: Christoph Lameter <clameter@sgi.com>
To: akpm@linux-foundation.org
Cc: linux-mm@kvack.org
Subject: Re: [patch 16/17] SLUB: Include lifetime stats and sets of cpus / nodes in tracking output
Date: Mon, 7 May 2007 19:48:32 -0700 (PDT)	[thread overview]
Message-ID: <Pine.LNX.4.64.0705071942180.27156@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20070507212411.097801338@sgi.com>

32 bit cannot perform 64 bit division.

Replace division by div_long_long.

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

Index: linux-2.6.21-mm1/mm/slub.c
===================================================================
--- linux-2.6.21-mm1.orig/mm/slub.c	2007-05-07 19:40:06.000000000 -0700
+++ linux-2.6.21-mm1/mm/slub.c	2007-05-07 19:42:00.000000000 -0700
@@ -2990,12 +2990,14 @@ static int list_locations(struct kmem_ca
 		else
 			n += sprintf(buf + n, "<not-available>");
 
-		if (l->sum_time != l->min_time)
+		if (l->sum_time != l->min_time) {
+			unsigned long remainder;
+
 			n += sprintf(buf + n, " age=%ld/%ld/%ld",
 			l->min_time,
-			(unsigned long)(l->sum_time / l->count),
+			div_long_long_rem(l->sum_time, l->count, &remainder),
 			l->max_time);
-		else
+		} else
 			n += sprintf(buf + n, " age=%ld",
 				l->min_time);
 

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  reply	other threads:[~2007-05-08  2:48 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-07 21:22 [patch 00/17] SLUB fixes and enhancements against 2.6.21-m1 clameter
2007-05-07 21:22 ` [patch 01/17] SLUB: Add support for dynamic cacheline size determination clameter
2007-05-07 23:10   ` Christoph Lameter
2007-05-07 21:22 ` [patch 02/17] SLUB: Reduce antifrag max order clameter
2007-05-07 21:22 ` [patch 03/17] SLUB: After object padding only needed for Redzoning clameter
2007-05-07 21:22 ` [patch 04/17] SLUB: slabinfo upgrade clameter
2007-05-07 21:22 ` [patch 05/17] Move remote node draining out of slab allocators clameter
2007-05-07 21:22 ` [patch 06/17] SLUB: Use check_valid_pointer in kmem_ptr_validate clameter
2007-05-07 21:22 ` [patch 07/17] SLUB: Clean up krealloc clameter
2007-05-08  2:41   ` Christoph Lameter
2007-05-07 21:22 ` [patch 08/17] SLUB: Get rid of finish_bootstrap clameter
2007-05-07 21:22 ` [patch 09/17] SLUB: Update comments clameter
2007-05-07 21:22 ` [patch 10/17] SLUB: Add macros for scanning objects in a slab clameter
2007-05-07 21:22 ` [patch 11/17] SLUB: Move resiliency check into SYSFS section clameter
2007-05-07 21:22 ` [patch 12/17] SLUB: Introduce DebugSlab(page) clameter
2007-05-07 21:22 ` [patch 13/17] SLUB: Consolidate trace code clameter
2007-05-07 21:22 ` [patch 14/17] SLUB: Move tracking definitions and check_valid_pointer() away from debug code clameter
2007-05-07 21:22 ` [patch 15/17] SLUB: Add CONFIG_SLUB_DEBUG clameter
2007-05-07 21:22 ` [patch 16/17] SLUB: Include lifetime stats and sets of cpus / nodes in tracking output clameter
2007-05-08  2:48   ` Christoph Lameter [this message]
2007-05-07 21:22 ` [patch 17/17] SLUB: Rework slab order determination clameter

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