The flag 'SLAB_PANIC' implies panic when encouter failure, So there is no need to check NULL pointer for cache creation.
Signed-off-by: Chengguang Xu <cgxu...@gmx.com> --- v1->v2: - Keep return type as int instead of changing to void. arch/x86/mm/pgtable.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 47b5951..406873d 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -329,9 +329,6 @@ static int __init pgd_cache_init(void) */ pgd_cache = kmem_cache_create("pgd_cache", PGD_SIZE, PGD_ALIGN, SLAB_PANIC, NULL); - if (!pgd_cache) - return -ENOMEM; - return 0; } core_initcall(pgd_cache_init); -- 1.8.3.1