x86/mm: Remove redundant check for kmem_cache_create()

The flag 'SLAB_PANIC' implies panic on failure, So there is no need to
check the returned pointer for NULL.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: hpa@zytor.com
Link: https://lkml.kernel.org/r/1528804132-154948-1-git-send-email-cgxu519@gmx.com

diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index e3deefb891dac90ac9d1c0f54d432efd3456c8aa..0f1683fcb196d952b530b649e22f09c9582d2496 100644 (file)
--- 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);