I also hit the same issue. Here is the patch:
Fix slab build failure if !CONFIG_ZONE_DMA
I also needed this to get 2.6.20-rc6-mm2 to build. Fixes the fix by the
complainer about the fixes. #ifdef cannot be avoided since cs_dmacachep
is no longer defined.
Signed-off-by: Christoph Lameter <[email protected]>
Index: linux-2.6.20-rc6-mm2/mm/slab.c
===================================================================
--- linux-2.6.20-rc6-mm2.orig/mm/slab.c 2007-01-29 14:27:58.000000000 -0600
+++ linux-2.6.20-rc6-mm2/mm/slab.c 2007-01-29 14:33:04.270329009 -0600
@@ -1503,6 +1503,7 @@ void __init kmem_cache_init(void)
ARCH_KMALLOC_FLAGS|SLAB_PANIC,
NULL, NULL);
}
+#ifdef CONFIG_ZONE_DMA
if (CONFIG_ZONE_DMA_FLAG)
sizes->cs_dmacachep = kmem_cache_create(
names->name_dma,
@@ -1511,6 +1512,7 @@ void __init kmem_cache_init(void)
ARCH_KMALLOC_FLAGS|SLAB_CACHE_DMA|
SLAB_PANIC,
NULL, NULL);
+#endif
sizes++;
names++;
}
-
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