[PATCH 2.6.0-test5-mm1] Fix build with debug disabled

[Bernhard Rosenkraenzer <bero@arklinux.org>]

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2.6.0-test5-mm1 mm/slab.c defines dbg_redzone1 and friends in #if DEBUG, 
but uses them unconditionally.

Patch attached.

-- 
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--- linux-2.6.0-test5/mm/slab.c.ark	2003-09-09 13:32:08.000000000 +0200
+++ linux-2.6.0-test5/mm/slab.c	2003-09-09 13:33:30.000000000 +0200
@@ -948,6 +948,7 @@
 			check_poison_obj(cachep, objp);
 #endif
 		}
+#if DEBUG
 		if (cachep->flags & SLAB_RED_ZONE) {
 			if (*dbg_redzone1(cachep, objp) != RED_INACTIVE)
 				slab_error(cachep, "start of a freed object "
@@ -956,6 +957,7 @@
 				slab_error(cachep, "end of a freed object "
 							"was overwritten");
 		}
+#endif
 		if (cachep->dtor && !(cachep->flags & SLAB_POISON))
 			(cachep->dtor)(objp+obj_dbghead(cachep), cachep, 0);
 	}
@@ -2794,11 +2796,13 @@
 		} else {
 			kernel_map_pages(virt_to_page(objp), c->objsize/PAGE_SIZE, 1);
 
+#if DEBUG
 			if (c->flags & SLAB_RED_ZONE)
 				printk("redzone: 0x%lx/0x%lx.\n", *dbg_redzone1(c, objp), *dbg_redzone2(c, objp));
 
 			if (c->flags & SLAB_STORE_USER)
 				printk("Last user: %p.\n", *dbg_userword(c, objp));
+#endif
 		}
 		spin_unlock_irqrestore(&c->spinlock, flags);