From: Brian Gerst <bgerst@didntduck.org>
To: Andrew Morton <akpm@osdl.org>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: [PATCH] use SLAB_PANIC for general caches
Date: Thu, 27 May 2004 08:52:57 -0400 [thread overview]
Message-ID: <40B5E4A9.70406@quark.didntduck.org> (raw)
[-- Attachment #1: Type: text/plain, Size: 85 bytes --]
Initialize the general caches using SLAB_PANIC instead of BUG().
--
Brian Gerst
[-- Attachment #2: gen_cache_panic-1 --]
[-- Type: text/plain, Size: 1164 bytes --]
diff -urN linux-2.6.7-rc1-bk/mm/slab.c linux/mm/slab.c
--- linux-2.6.7-rc1-bk/mm/slab.c 2004-05-23 18:41:51.000000000 -0400
+++ linux/mm/slab.c 2004-05-27 08:49:05.444639592 -0400
@@ -754,11 +754,9 @@
* eliminates "false sharing".
* Note for systems short on memory removing the alignment will
* allow tighter packing of the smaller caches. */
- sizes->cs_cachep = kmem_cache_create(
- names->name, sizes->cs_size,
- ARCH_KMALLOC_MINALIGN, 0, NULL, NULL);
- if (!sizes->cs_cachep)
- BUG();
+ sizes->cs_cachep = kmem_cache_create(names->name,
+ sizes->cs_size, ARCH_KMALLOC_MINALIGN,
+ SLAB_PANIC, NULL, NULL);
/* Inc off-slab bufctl limit until the ceiling is hit. */
if (!(OFF_SLAB(sizes->cs_cachep))) {
@@ -766,11 +764,9 @@
offslab_limit /= sizeof(kmem_bufctl_t);
}
- sizes->cs_dmacachep = kmem_cache_create(
- names->name_dma, sizes->cs_size,
- ARCH_KMALLOC_MINALIGN, SLAB_CACHE_DMA, NULL, NULL);
- if (!sizes->cs_dmacachep)
- BUG();
+ sizes->cs_dmacachep = kmem_cache_create(names->name_dma,
+ sizes->cs_size, ARCH_KMALLOC_MINALIGN,
+ (SLAB_CACHE_DMA | SLAB_PANIC), NULL, NULL);
sizes++;
names++;
reply other threads:[~2004-05-27 12:52 UTC|newest]
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