From: Christoph Lameter <cl@linux.com>
To: Glauber Costa <glommer@parallels.com>
Cc: Pekka Enberg <penberg@kernel.org>,
linux-mm@kvack.org, David Rientjes <rientjes@google.com>,
Joonsoo Kim <js1304@gmail.com>
Subject: Common [14/19] slub: Introduce function for opening boot caches
Date: Thu, 02 Aug 2012 15:15:20 -0500 [thread overview]
Message-ID: <20120802201538.332758066@linux.com> (raw)
In-Reply-To: 20120802201506.266817615@linux.com
[-- Attachment #1: slub_create_open_boot --]
[-- Type: text/plain, Size: 1891 bytes --]
Basically the same thing happens for various boot caches.
Provide a function.
Signed-off-by: Christoph Lameter <cl@linux.com>
---
mm/slub.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
Index: linux-2.6/mm/slub.c
===================================================================
--- linux-2.6.orig/mm/slub.c 2012-08-02 14:56:03.915144783 -0500
+++ linux-2.6/mm/slub.c 2012-08-02 14:56:28.451584021 -0500
@@ -3271,6 +3271,12 @@ panic:
return NULL;
}
+static int kmem_cache_open_boot(struct kmem_cache *s, const char *name, int size)
+{
+ return kmem_cache_open(s, name, size, ARCH_KMALLOC_MINALIGN,
+ SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
+}
+
/*
* Conversion table for small slabs sizes / 8 to the index in the
* kmalloc array. This is necessary for slabs < 192 since we have non power
@@ -3704,17 +3710,15 @@ void __init kmem_cache_init(void)
kmalloc_size = ALIGN(kmem_size, cache_line_size());
kmem_cache_node = &boot_kmem_cache_node;
- kmem_cache_open(&boot_kmem_cache_node, "kmem_cache_node",
- sizeof(struct kmem_cache_node),
- 0, SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
+ kmem_cache_open_boot(kmem_cache_node, "kmem_cache_node",
+ sizeof(struct kmem_cache_node));
hotplug_memory_notifier(slab_memory_callback, SLAB_CALLBACK_PRI);
/* Able to allocate the per node structures */
slab_state = PARTIAL;
- kmem_cache_open(&boot_kmem_cache, "kmem_cache", kmem_size,
- 0, SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
+ kmem_cache_open_boot(&boot_kmem_cache, "kmem_cache", kmem_size);
kmem_cache = kmem_cache_alloc(&boot_kmem_cache, GFP_NOWAIT);
memcpy(kmem_cache, &boot_kmem_cache, kmem_size);
--
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next prev parent reply other threads:[~2012-08-02 20:15 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-02 20:15 Common [00/19] Sl[auo]b: Common code rework V9 Christoph Lameter
2012-08-02 20:15 ` Common [01/19] slub: Add debugging to verify correct cache use on kmem_cache_free() Christoph Lameter
2012-08-02 20:37 ` David Rientjes
2012-08-02 20:42 ` Christoph Lameter
2012-08-02 20:47 ` David Rientjes
2012-08-03 13:45 ` Christoph Lameter
2012-08-02 20:15 ` Common [02/19] slub: Use kmem_cache for the kmem_cache structure Christoph Lameter
2012-08-02 20:52 ` David Rientjes
2012-08-03 14:07 ` Christoph Lameter
2012-08-03 13:20 ` Glauber Costa
2012-08-03 13:52 ` Christoph Lameter
2012-08-03 13:53 ` Glauber Costa
2012-08-03 14:02 ` Christoph Lameter
2012-08-02 20:15 ` Common [03/19] Rename oops label Christoph Lameter
2012-08-02 20:45 ` David Rientjes
2012-08-02 20:15 ` Common [04/19] Improve error handling in kmem_cache_create Christoph Lameter
2012-08-02 20:58 ` David Rientjes
2012-08-02 20:15 ` Common [05/19] Move list_add() to slab_common.c Christoph Lameter
2012-08-02 21:18 ` David Rientjes
2012-08-02 20:15 ` Common [06/19] Extract a common function for kmem_cache_destroy Christoph Lameter
2012-08-02 20:15 ` Common [07/19] Always use the name "kmem_cache" for the slab cache with the kmem_cache structure Christoph Lameter
2012-08-02 20:15 ` Common [08/19] Move freeing of kmem_cache structure to common code Christoph Lameter
2012-08-02 20:15 ` Common [09/19] Get rid of __kmem_cache_destroy Christoph Lameter
2012-08-02 20:15 ` Common [10/19] Move duping of slab name to slab_common.c Christoph Lameter
2012-08-02 20:15 ` Common [11/19] Do slab aliasing call from common code Christoph Lameter
2012-08-02 20:15 ` Common [12/19] Move sysfs_slab_add to common Christoph Lameter
2012-08-02 20:15 ` Common [13/19] slub: Use a statically allocated kmem_cache boot structure for bootstrap Christoph Lameter
2012-08-02 20:15 ` Christoph Lameter [this message]
2012-08-02 20:15 ` Common [15/19] create common create_kmalloc_cache() Christoph Lameter
2012-08-02 20:15 ` Common [16/19] Move kmem_cache allocations into common code Christoph Lameter
2012-08-02 20:15 ` Common [17/19] Shrink __kmem_cache_create() parameter lists Christoph Lameter
2012-08-02 20:15 ` Common [18/19] Move kmem_cache refcounting to common code Christoph Lameter
2012-08-02 20:15 ` Common [19/19] Common alignment code Christoph Lameter
2012-08-03 13:09 ` Common [00/19] Sl[auo]b: Common code rework V9 Glauber Costa
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