| Date | Thu, 01 Jul 2010 10:43:29 -0700 | From | Greg KH <> | Subject | [119/200] SLUB: Allow full duplication of kmalloc array for 390 |
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2.6.34-stable review patch. If anyone has any objections, please let me know.
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From: Christoph Lameter <cl@linux-foundation.org>
commit 0f1f694260e0d35b5ce7d471f6e679c3dd4d7d94 upstream.
Commit 756dee75872a2a764b478e18076360b8a4ec9045 ("SLUB: Get rid of dynamic DMA kmalloc cache allocation") makes S390 run out of kmalloc caches. Increase the number of kmalloc caches to a safe size.
Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com> Tested-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Christoph Lameter <cl@linux-foundation.org> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- include/linux/slub_def.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -132,7 +132,7 @@ struct kmem_cache { #ifdef CONFIG_ZONE_DMA #define SLUB_DMA __GFP_DMA /* Reserve extra caches for potential DMA use */ -#define KMALLOC_CACHES (2 * SLUB_PAGE_SHIFT - 6) +#define KMALLOC_CACHES (2 * SLUB_PAGE_SHIFT) #else /* Disable DMA functionality */ #define SLUB_DMA (__force gfp_t)0
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