Re: [RFC] Common code 04/12] slabs: Extract common code for kmem_cache_create

[RFC] Common code 00/12] Sl[auo]b: Common functionality V2 · Christoph Lameter <hidden> · 2012-05-18
[RFC] Common code 02/12] [slab]: Use page struct fields instead of casting · Christoph Lameter <hidden> · 2012-05-18
Re: [RFC] Common code 02/12] [slab]: Use page struct fields instead of casting · JoonSoo Kim <hidden> · 2012-05-22
[RFC] Common code 01/12] [slob] define page struct fields used in mm_types.h · Christoph Lameter <hidden> · 2012-05-18
Re: [RFC] Common code 01/12] [slob] define page struct fields used in mm_types.h · Glauber Costa <hidden> · 2012-05-21
Re: [RFC] Common code 01/12] [slob] define page struct fields used in mm_types.h · JoonSoo Kim <hidden> · 2012-05-22
Re: [RFC] Common code 01/12] [slob] define page struct fields used in mm_types.h · Christoph Lameter <hidden> · 2012-05-22
Re: [RFC] Common code 01/12] [slob] define page struct fields used in mm_types.h · JoonSoo Kim <hidden> · 2012-05-23
[RFC] Common code 03/12] Extract common fields from struct kmem_cache · Christoph Lameter <hidden> · 2012-05-18
Re: [RFC] Common code 03/12] Extract common fields from struct kmem_cache · Glauber Costa <hidden> · 2012-05-21
Re: [RFC] Common code 03/12] Extract common fields from struct kmem_cache · JoonSoo Kim <hidden> · 2012-05-22
[RFC] Common code 04/12] slabs: Extract common code for kmem_cache_create · Christoph Lameter <hidden> · 2012-05-18
Re: [RFC] Common code 04/12] slabs: Extract common code for kmem_cache_create · Glauber Costa <hidden> · 2012-05-21
Re: [RFC] Common code 04/12] slabs: Extract common code for kmem_cache_create · Christoph Lameter <hidden> · 2012-05-21
Re: [RFC] Common code 04/12] slabs: Extract common code for kmem_cache_create · JoonSoo Kim <hidden> · 2012-05-22
Re: [RFC] Common code 04/12] slabs: Extract common code for kmem_cache_create · Glauber Costa <hidden> · 2012-05-22
Re: [RFC] Common code 04/12] slabs: Extract common code for kmem_cache_create · Christoph Lameter <hidden> · 2012-05-22
[RFC] Common code 05/12] slabs: Common definition for boot state of the slab allocators · Christoph Lameter <hidden> · 2012-05-18
Re: [RFC] Common code 05/12] slabs: Common definition for boot state of the slab allocators · Glauber Costa <hidden> · 2012-05-21
Re: [RFC] Common code 05/12] slabs: Common definition for boot state of the slab allocators · JoonSoo Kim <hidden> · 2012-05-22
[RFC] Common code 06/12] slabs: Use a common mutex definition · Christoph Lameter <hidden> · 2012-05-18
Re: [RFC] Common code 06/12] slabs: Use a common mutex definition · JoonSoo Kim <hidden> · 2012-05-22
[RFC] Common code 07/12] slabs: Move kmem_cache_create mutex handling to common code · Christoph Lameter <hidden> · 2012-05-18
Re: [RFC] Common code 07/12] slabs: Move kmem_cache_create mutex handling to common code · JoonSoo Kim <hidden> · 2012-05-22
Re: [RFC] Common code 07/12] slabs: Move kmem_cache_create mutex handling to common code · Christoph Lameter <hidden> · 2012-05-22
[RFC] Common code 09/12] slabs: Extract a common function for kmem_cache_destroy · Christoph Lameter <hidden> · 2012-05-18
Re: [RFC] Common code 09/12] slabs: Extract a common function for kmem_cache_destroy · Glauber Costa <hidden> · 2012-05-21
Re: [RFC] Common code 09/12] slabs: Extract a common function for kmem_cache_destroy · Christoph Lameter <hidden> · 2012-05-21
Re: [RFC] Common code 09/12] slabs: Extract a common function for kmem_cache_destroy · Glauber Costa <hidden> · 2012-05-21
Re: [RFC] Common code 09/12] slabs: Extract a common function for kmem_cache_destroy · Christoph Lameter <hidden> · 2012-05-21
Re: [RFC] Common code 09/12] slabs: Extract a common function for kmem_cache_destroy · Glauber Costa <hidden> · 2012-05-21
Re: [RFC] Common code 09/12] slabs: Extract a common function for kmem_cache_destroy · Christoph Lameter <hidden> · 2012-05-21
Re: [RFC] Common code 09/12] slabs: Extract a common function for kmem_cache_destroy · JoonSoo Kim <hidden> · 2012-05-23
Re: [RFC] Common code 09/12] slabs: Extract a common function for kmem_cache_destroy · Christoph Lameter <hidden> · 2012-05-23
[RFC] Common code 10/12] sl[aub]: Use the name "kmem_cache" for the slab cache with the kmem_cache structure. · Christoph Lameter <hidden> · 2012-05-18
Re: [RFC] Common code 10/12] sl[aub]: Use the name "kmem_cache" for the slab cache with the kmem_cache structure. · Glauber Costa <hidden> · 2012-05-21
Re: [RFC] Common code 10/12] sl[aub]: Use the name "kmem_cache" for the slab cache with the kmem_cache structure. · JoonSoo Kim <hidden> · 2012-05-23
[RFC] Common code 11/12] Move freeing of kmem_cache structure to common code · Christoph Lameter <hidden> · 2012-05-18
Re: [RFC] Common code 11/12] Move freeing of kmem_cache structure to common code · JoonSoo Kim <hidden> · 2012-05-23
[RFC] Common code 12/12] [slauob]: Get rid of __kmem_cache_destroy · Christoph Lameter <hidden> · 2012-05-18
Re: [RFC] Common code 12/12] [slauob]: Get rid of __kmem_cache_destroy · JoonSoo Kim <hidden> · 2012-05-23
Re: [RFC] Common code 00/12] Sl[auo]b: Common functionality V2 · Glauber Costa <hidden> · 2012-05-21
Re: [RFC] Common code 00/12] Sl[auo]b: Common functionality V2 · Christoph Lameter <hidden> · 2012-05-21
Re: [RFC] Common code 00/12] Sl[auo]b: Common functionality V2 · Glauber Costa <hidden> · 2012-05-21
Re: [RFC] Common code 00/12] Sl[auo]b: Common functionality V2 · Alex Shi <hidden> · 2012-06-11
Re: [RFC] Common code 00/12] Sl[auo]b: Common functionality V2 · Alex Shi <hidden> · 2012-06-29

From: Glauber Costa <hidden>
Date: 2012-05-21 09:26:25

On 05/18/2012 08:19 PM, Christoph Lameter wrote:

quoted hunk ↗ jump to hunk

Index: linux-2.6/mm/slab.c
===================================================================

--- linux-2.6.orig/mm/slab.c	2012-05-11 09:36:35.308445605 -0500
+++ linux-2.6/mm/slab.c	2012-05-11 09:43:33.160436947 -0500

@@ -1585,7 +1585,7 @@ void __init kmem_cache_init(void)
  	 * bug.
  	 */

-	sizes[INDEX_AC].cs_cachep = kmem_cache_create(names[INDEX_AC].name,
+	sizes[INDEX_AC].cs_cachep = __kmem_cache_create(names[INDEX_AC].name,
  					sizes[INDEX_AC].cs_size,
  					ARCH_KMALLOC_MINALIGN,
  					ARCH_KMALLOC_FLAGS|SLAB_PANIC,

So, before your patch, the kmalloc caches were getting all the sanity 
checking done. No we're skipping them. Any particular reason?


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