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From: Christoph Lameter <cl@linux.com>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: linux-mm@kvack.org
Subject: [RFC SLEB 08/10] SLED: Get rid of useless function
Date: Fri, 14 May 2010 13:39:16 -0500	[thread overview]
Message-ID: <20100514183946.664044648@quilx.com> (raw)
In-Reply-To: <20100514183908.118952419@quilx.com>

[-- Attachment #1: sled_drop_count_free --]
[-- Type: text/plain, Size: 1754 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	2010-04-29 16:18:22.000000000 -0500
+++ linux-2.6/mm/slub.c	2010-04-29 16:18:32.000000000 -0500
@@ -1589,11 +1589,6 @@ 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 *))
 {
@@ -1642,7 +1637,7 @@ 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);
 
@@ -3765,7 +3760,7 @@ 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);
@@ -4646,7 +4641,7 @@ 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;

-- 

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  parent reply	other threads:[~2010-05-14 18:43 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-14 18:39 [RFC SLEB 00/10] [RFC] SLEB: The Enhanced Slab Allocator Christoph Lameter
2010-05-14 18:39 ` [RFC SLEB 01/10] slab: Introduce a constant for a unspecified node Christoph Lameter
2010-05-14 18:39 ` [RFC SLEB 02/10] SLUB: Constants need UL Christoph Lameter
2010-05-14 18:39 ` [RFC SLEB 03/10] SLUB: Use kmem_cache flags to detect if Slab is in debugging mode Christoph Lameter
2010-05-14 18:39 ` [RFC SLEB 04/10] SLUB: discard_slab_unlock Christoph Lameter
2010-05-14 18:39 ` [RFC SLEB 05/10] SLUB: is_kmalloc_cache Christoph Lameter
2010-05-14 18:39 ` [RFC SLEB 06/10] SLEB: The Enhanced Slab Allocator Christoph Lameter
2010-05-14 18:39 ` [RFC SLEB 07/10] SLEB: Resize cpu queue Christoph Lameter
2010-05-14 18:39 ` Christoph Lameter [this message]
2010-05-14 18:39 ` [RFC SLEB 09/10] SLEB: Remove MAX_OBJS limitation Christoph Lameter
2010-05-14 18:39 ` [RFC SLEB 10/10] SLEB: Add shared cache Christoph Lameter

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