From: "Pekka Enberg" <penberg@cs.helsinki.fi>
To: akpm@osdl.org
Cc: linux-kernel@vger.kernel.org, manfred@colorfullife.com
Subject: [patch 02/10] slab: minor cleanup to kmem_cache_alloc_node
Date: Sat, 14 Jan 2006 14:46:03 +0200 [thread overview]
Message-ID: <20060114122410.207071000@localhost> (raw)
In-Reply-To: 20060114122249.246354000@localhost
From: Christoph Lameter <clameter@engr.sgi.com>
This patch cleans up kmem_cache_alloc_node a bit.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Acked-by: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
mm/slab.c | 21 ++++++---------------
1 file changed, 6 insertions(+), 15 deletions(-)
Index: 2.6/mm/slab.c
===================================================================
--- 2.6.orig/mm/slab.c
+++ 2.6/mm/slab.c
@@ -2916,27 +2916,18 @@ void *kmem_cache_alloc_node(kmem_cache_t
unsigned long save_flags;
void *ptr;
- if (nodeid == -1)
- return __cache_alloc(cachep, flags);
-
- if (unlikely(!cachep->nodelists[nodeid])) {
- /* Fall back to __cache_alloc if we run into trouble */
- printk(KERN_WARNING
- "slab: not allocating in inactive node %d for cache %s\n",
- nodeid, cachep->name);
- return __cache_alloc(cachep, flags);
- }
-
cache_alloc_debugcheck_before(cachep, flags);
local_irq_save(save_flags);
- if (nodeid == numa_node_id())
+
+ if (nodeid == -1 || nodeid == numa_node_id() ||
+ !cachep->nodelists[nodeid])
ptr = ____cache_alloc(cachep, flags);
else
ptr = __cache_alloc_node(cachep, flags, nodeid);
local_irq_restore(save_flags);
- ptr =
- cache_alloc_debugcheck_after(cachep, flags, ptr,
- __builtin_return_address(0));
+
+ ptr = cache_alloc_debugcheck_after(cachep, flags, ptr,
+ __builtin_return_address(0));
return ptr;
}
--
next prev parent reply other threads:[~2006-01-14 12:46 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-14 12:46 [patch 00/10] slab updates Pekka Enberg
2006-01-14 12:46 ` [patch 01/10] slab: distinguish between object and buffer size Pekka Enberg
2006-01-14 12:46 ` Pekka Enberg [this message]
2006-01-14 12:46 ` [patch 03/10] slab: have index_of bug at compile time Pekka Enberg
2006-01-14 12:46 ` [patch 05/10] slab: extract slab_destroy_objs() Pekka Enberg
2006-01-18 18:31 ` Christoph Lameter
2006-01-19 9:07 ` Pekka J Enberg
2006-01-20 5:18 ` Horst von Brand
2006-01-14 12:46 ` [patch 06/10] slab: extract slab_{put|get}_obj Pekka Enberg
2006-01-14 12:46 ` [patch 04/10] slab: cache_estimate cleanup Pekka Enberg
2006-01-16 2:38 ` Andrew Morton
2006-01-16 7:00 ` Pekka J Enberg
2006-01-14 12:46 ` [patch 08/10] slab: extract virt_to_{cache|slab} Pekka Enberg
2006-01-14 12:46 ` [patch 07/10] slab: reduce inlining Pekka Enberg
2006-01-14 12:46 ` [patch 09/10] slab: rename ac_data to cpu_cache_get Pekka Enberg
2006-01-14 12:46 ` [patch 10/10] slab: replace kmem_cache_t with struct kmem_cache Pekka Enberg
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