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>

6 files changed, 11 insertions, 27 deletions

diff --git a/arch/arm26/mm/memc.c b/arch/arm26/mm/memc.c
index f2901581d4da..42505541a9b1 100644
--- a/arch/arm26/mm/memc.c
+++ b/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);
-        if (!pte_cache)
-                BUG();
+                                0, SLAB_PANIC, pte_cache_ctor, NULL);
 
         pgd_cache = kmem_cache_create("pgd-cache", MEMC_TABLE_SIZE +
                                 sizeof(pgd_t) * PTRS_PER_PGD,
-                                0, 0, pgd_cache_ctor, NULL);
-        if (!pgd_cache)
-                BUG();
+                                0, SLAB_PANIC, pgd_cache_ctor, NULL);
 }
diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c
index 19b13be114a2..598a26ab8ad8 100644
--- a/arch/frv/mm/pgalloc.c
+++ b/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");
 }
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index 1a7197e89eb4..c50782efa5c3 100644
--- a/arch/i386/mm/init.c
+++ b/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");
 }
 
 /*
diff --git a/arch/ia64/ia32/ia32_support.c b/arch/ia64/ia32/ia32_support.c
index 6af400a12ca1..beea7a0b9dc6 100644
--- a/arch/ia64/ia32/ia32_support.c
+++ b/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,
-                                                        NULL, NULL);
-                if (!partial_page_cachep)
-                        panic("Cannot create partial page SLAB cache");
+                                                sizeof(struct partial_page),
+                                                0, SLAB_PANIC, NULL, NULL);
         }
 #endif
         return 0;
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 4416d5140c53..fe1fe852181a 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/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);
         }
 }
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index d0d45e2e0ab3..02aae06527dc 100644
--- a/arch/sh/mm/pmb.c
+++ b/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),
-                                      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();