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From: Christoph Lameter <cl@linux-foundation.org>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Cc: Nick Piggin <npiggin@suse.de>
Cc: David Rientjes <rientjes@google.com>
Subject: [S+Q2 17/19] SLUB: Get rid of useless function count_free()
Date: Fri, 09 Jul 2010 14:07:23 -0500	[thread overview]
Message-ID: <20100709190859.677969075@quilx.com> (raw)
In-Reply-To: 20100709190706.938177313@quilx.com

[-- Attachment #1: sled_drop_count_free --]
[-- Type: text/plain, Size: 1524 bytes --]

count_free() == available()

Signed-off-by: Christoph Lameter <cl@linux-foundation.org>

---
 mm/slub.c |   11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

Index: linux-2.6/mm/slub.c
===================================================================
--- linux-2.6.orig/mm/slub.c	2010-07-07 10:54:29.000000000 -0500
+++ linux-2.6/mm/slub.c	2010-07-07 10:54:33.000000000 -0500
@@ -1652,11 +1652,6 @@ static inline int node_match(struct kmem
 	return 1;
 }
 
-static int count_free(struct page *page)
-{
-	return available(page);
-}
-
 static unsigned long count_partial(struct kmem_cache_node *n,
 					int (*get_count)(struct page *))
 {
@@ -1705,7 +1700,7 @@ slab_out_of_memory(struct kmem_cache *s,
 		if (!n)
 			continue;
 
-		nr_free  = count_partial(n, count_free);
+		nr_free  = count_partial(n, available);
 		nr_slabs = node_nr_slabs(n);
 		nr_objs  = node_nr_objs(n);
 
@@ -3835,7 +3830,7 @@ static ssize_t show_slab_objects(struct 
 			x = atomic_long_read(&n->total_objects);
 		else if (flags & SO_OBJECTS)
 			x = atomic_long_read(&n->total_objects) -
-				count_partial(n, count_free);
+				count_partial(n, available);
 
 			else
 				x = atomic_long_read(&n->nr_slabs);
@@ -4717,7 +4712,7 @@ static int s_show(struct seq_file *m, vo
 		nr_partials += n->nr_partial;
 		nr_slabs += atomic_long_read(&n->nr_slabs);
 		nr_objs += atomic_long_read(&n->total_objects);
-		nr_free += count_partial(n, count_free);
+		nr_free += count_partial(n, available);
 	}
 
 	nr_inuse = nr_objs - nr_free;


  parent reply	other threads:[~2010-07-09 19:13 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-09 19:07 [S+Q2 00/19] SLUB with queueing (V2) beats SLAB netperf TCP_RR Christoph Lameter
2010-07-09 19:07 ` [S+Q2 01/19] Bugfix for semop() not reporting successful operation Christoph Lameter
2010-07-09 19:07 ` [S+Q2 02/19] percpu: make @dyn_size always mean min dyn_size in first chunk init functions Christoph Lameter
2010-07-09 19:07 ` [S+Q2 03/19] percpu: allow limited allocation before slab is online Christoph Lameter
2010-07-09 19:07 ` [S+Q2 04/19] slub: Use a constant for a unspecified node Christoph Lameter
2010-07-09 19:07 ` [S+Q2 05/19] SLUB: Constants need UL Christoph Lameter
2010-07-09 19:07 ` [S+Q2 06/19] slub: Check kasprintf results in kmem_cache_init() Christoph Lameter
2010-07-14 22:16   ` David Rientjes
2010-07-09 19:07 ` [S+Q2 07/19] slub: Allow removal of slab caches during boot Christoph Lameter
2010-07-14 23:48   ` David Rientjes
2010-07-19  0:07     ` Benjamin Herrenschmidt
2010-07-19 16:39       ` Christoph Lameter
2010-07-31  9:41         ` Pekka Enberg
2010-08-02 15:36           ` Christoph Lameter
2010-08-03  4:32             ` Pekka Enberg
2010-07-09 19:07 ` [S+Q2 08/19] slub: Use kmem_cache flags to detect if slab is in debugging mode Christoph Lameter
2010-07-09 19:07 ` [S+Q2 09/19] slub: discard_slab_unlock Christoph Lameter
2010-07-09 19:07 ` [S+Q2 10/19] slub: remove dynamic dma slab allocation Christoph Lameter
2010-07-09 19:07 ` [S+Q2 11/19] slub: Remove static kmem_cache_cpu array for boot Christoph Lameter
2010-07-09 19:07 ` [S+Q2 12/19] slub: Dynamically size kmalloc cache allocations Christoph Lameter
2010-07-09 19:07 ` [S+Q2 13/19] slub: Extract hooks for memory checkers from hotpaths Christoph Lameter
2010-07-09 19:07 ` [S+Q2 14/19] slub: Move gfpflag masking out of the hotpath Christoph Lameter
2010-07-09 19:07 ` [S+Q2 15/19] SLUB: Add SLAB style per cpu queueing Christoph Lameter
2010-07-09 19:07 ` [S+Q2 16/19] slub: Resize the new cpu queues Christoph Lameter
2010-07-09 19:07 ` Christoph Lameter [this message]
2010-07-09 19:07 ` [S+Q2 18/19] SLUB: Remove MAX_OBJS limitation Christoph Lameter
2010-07-09 19:07 ` [S+Q2 19/19] slub: Drop allocator announcement Christoph Lameter
2010-07-10 19:56 ` [S+Q2 00/19] SLUB with queueing (V2) beats SLAB netperf TCP_RR Heinz Diehl
2010-07-12 15:11   ` Christoph Lameter
2010-07-12 16:39     ` Heinz Diehl
2010-07-12 17:00       ` Christoph Lameter
2010-07-13 13:56         ` Heinz Diehl
2010-07-14  2:01           ` Christoph Lameter
2010-07-14 11:51             ` Tejun Heo
2010-07-14 14:25             ` Heinz Diehl
2010-07-14 20:22             ` David Rientjes
2010-07-14 11:46     ` Tejun Heo
2010-07-14 22:26 ` David Rientjes
2010-07-15 20:17   ` Christoph Lameter
2010-07-15 20:30     ` David Rientjes
2010-07-14 23:52 ` David Rientjes
2010-07-16  8:23   ` Pekka Enberg
2010-07-16  9:02     ` David Rientjes
2010-07-19  0:16       ` Benjamin Herrenschmidt

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