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>

arch/arm26/mm/memc.c

@@ -176,13 +176,9 @@ void __init pgtable_cache_init(void)
 {
 	pte_cache = kmem_cache_create("pte-cache",
 				sizeof(pte_t) * PTRS_PER_PTE,
-				0, 0, pte_cache_ctor, NULL);
+				0, SLAB_PANIC, pte_cache_ctor, NULL);
-	if (!pte_cache)
-		BUG();
 
 	pgd_cache = kmem_cache_create("pgd-cache", MEMC_TABLE_SIZE +
 				sizeof(pgd_t) * PTRS_PER_PGD,
-				0, 0, pgd_cache_ctor, NULL);
+				0, SLAB_PANIC, pgd_cache_ctor, NULL);
-	if (!pgd_cache)
-		BUG();
 }

arch/frv/mm/pgalloc.c

@@ -151,9 +151,7 @@ void __init pgtable_cache_init(void)
 	pgd_cache = kmem_cache_create("pgd",
 				      PTRS_PER_PGD * sizeof(pgd_t),
 				      PTRS_PER_PGD * sizeof(pgd_t),
-				      0,
+				      SLAB_PANIC,
 				      pgd_ctor,
 				      pgd_dtor);
-	if (!pgd_cache)
-		panic("pgtable_cache_init(): Cannot create pgd cache");
 }

arch/i386/mm/init.c

@@ -751,12 +751,9 @@ void __init pgtable_cache_init(void)
 		pmd_cache = kmem_cache_create("pmd",
 					PTRS_PER_PMD*sizeof(pmd_t),
 					PTRS_PER_PMD*sizeof(pmd_t),
-					0,
+					SLAB_PANIC,
 					pmd_ctor,
 					NULL);
-		if (!pmd_cache)
-			panic("pgtable_cache_init(): cannot create pmd cache");
-
 		if (!SHARED_KERNEL_PMD) {
 			/* If we're in PAE mode and have a non-shared
 			   kernel pmd, then the pgd size must be a
@@ -770,11 +767,9 @@ void __init pgtable_cache_init(void)
 	pgd_cache = kmem_cache_create("pgd",
 				pgd_size,
 				pgd_size,
-				0,
+				SLAB_PANIC,
 				pgd_ctor,
 				(!SHARED_KERNEL_PMD) ? pgd_dtor : NULL);
-	if (!pgd_cache)
-		panic("pgtable_cache_init(): Cannot create pgd cache");
 }
 
 /*

arch/ia64/ia32/ia32_support.c

@@ -252,10 +252,8 @@ ia32_init (void)
 		extern struct kmem_cache *partial_page_cachep;
 
 		partial_page_cachep = kmem_cache_create("partial_page_cache",
-							sizeof(struct partial_page), 0, 0,
+						sizeof(struct partial_page),
-							NULL, NULL);
+						0, SLAB_PANIC, NULL, NULL);
-		if (!partial_page_cachep)
-			panic("Cannot create partial page SLAB cache");
 	}
 #endif
 	return 0;

arch/powerpc/mm/init_64.c

@@ -183,11 +183,8 @@ void pgtable_cache_init(void)
 		    "for size: %08x...\n", name, i, size);
 		pgtable_cache[i] = kmem_cache_create(name,
 						     size, size,
-						     0,
+						     SLAB_PANIC,
 						     zero_ctor,
 						     NULL);
-		if (! pgtable_cache[i])
-			panic("pgtable_cache_init(): could not create %s!\n",
-			      name);
 	}
 }

arch/sh/mm/pmb.c

@@ -311,9 +311,9 @@ static int __init pmb_init(void)
 
 	BUG_ON(unlikely(nr_entries >= NR_PMB_ENTRIES));
 
-	pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry),
+	pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry), 0,
-				      0, 0, pmb_cache_ctor, pmb_cache_dtor);
+				      SLAB_PANIC, pmb_cache_ctor,
-	BUG_ON(!pmb_cache);
+				      pmb_cache_dtor);
 
 	jump_to_P2();