use SLAB_PANIC flag cleanup

Use SLAB_PANIC and delete duplicated panic().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Ian Molton <spyro@f2s.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index d0d45e2..02aae06 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -311,9 +311,9 @@
 
 	BUG_ON(unlikely(nr_entries >= NR_PMB_ENTRIES));
 
-	pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry),
-				      0, 0, pmb_cache_ctor, pmb_cache_dtor);
-	BUG_ON(!pmb_cache);
+	pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry), 0,
+				      SLAB_PANIC, pmb_cache_ctor,
+				      pmb_cache_dtor);
 
 	jump_to_P2();