mm/highmem.c: fix coding style issue

Delete/add some blank lines and some blank spaces

Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: songqiang <[e-mail]>
Reviewed-by: David Hildenbrand <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

mm/highmem.c

···
 atomic_long_t _totalhigh_pages __read_mostly;
 EXPORT_SYMBOL(_totalhigh_pages);
 
-unsigned int __nr_free_highpages (void)
+unsigned int __nr_free_highpages(void)
 {
 	struct zone *zone;
 	unsigned int pages = 0;
···
 static int pkmap_count[LAST_PKMAP];
 static  __cacheline_aligned_in_smp DEFINE_SPINLOCK(kmap_lock);
 
-pte_t * pkmap_page_table;
+pte_t *pkmap_page_table;
 
 /*
  * Most architectures have no use for kmap_high_get(), so let's abstract
···
 
 	if (addr >= PKMAP_ADDR(0) && addr < PKMAP_ADDR(LAST_PKMAP)) {
 		int i = PKMAP_NR(addr);
+
 		return pte_page(pkmap_page_table[i]);
 	}
 
···
 	pkmap_count[PKMAP_NR(vaddr)]++;
 	BUG_ON(pkmap_count[PKMAP_NR(vaddr)] < 2);
 	unlock_kmap();
-	return (void*) vaddr;
+	return (void *) vaddr;
 }
-
 EXPORT_SYMBOL(kmap_high);
 
 #ifdef ARCH_NEEDS_KMAP_HIGH_GET
···
 		pkmap_count[PKMAP_NR(vaddr)]++;
 	}
 	unlock_kmap_any(flags);
-	return (void*) vaddr;
+	return (void *) vaddr;
 }
 #endif
 
···
 	spin_unlock_irqrestore(&pas->lock, flags);
 	return ret;
 }
-
 EXPORT_SYMBOL(page_address);
 
 /**