Fix up missing header files

include/linux/slab.h

@@ -11,10 +11,11 @@
 
 typedef struct kmem_cache_s kmem_cache_t;
 
+#include	<linux/config.h>	/* kmalloc_sizes.h needs CONFIG_ options */
 #include	<linux/gfp.h>
 #include	<linux/types.h>
-#include	<asm/page.h>
-#include	<asm/cache.h>
+#include	<asm/page.h>		/* kmalloc_sizes.h needs PAGE_SIZE */
+#include	<asm/cache.h>		/* kmalloc_sizes.h needs L1_CACHE_BYTES */
 
 /* flags for kmem_cache_alloc() */
 #define	SLAB_NOFS		GFP_NOFS

net/core/flow.c

@@ -18,6 +18,7 @@
 #include <linux/percpu.h>
 #include <linux/bitops.h>
 #include <linux/notifier.h>
+#include <linux/cpu.h>
 #include <net/flow.h>
 #include <asm/atomic.h>
 #include <asm/semaphore.h>