mm/highmem.c: fix coding style issue

Delete/add some blank lines and some blank spaces

Link: https://lkml.kernel.org/r/20210311095015.14277-1-songqiang@uniontech.com
Signed-off-by: songqiang <songqiang@uniontech.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/highmem.c b/mm/highmem.c
index 6ef8f5e05e7e5db835337728cd9f57e1f3d98f77..e389337e00b44ec658bd118c57a4cccfe5e91fb7 100644 (file)
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -104,7 +104,7 @@ static inline wait_queue_head_t *get_pkmap_wait_queue_head(unsigned int color)
 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;
@@ -120,7 +120,7 @@ unsigned int __nr_free_highpages (void)
 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
@@ -147,6 +147,7 @@ struct page *__kmap_to_page(void *vaddr)
 
        if (addr >= PKMAP_ADDR(0) && addr < PKMAP_ADDR(LAST_PKMAP)) {
                int i = PKMAP_NR(addr);
+
                return pte_page(pkmap_page_table[i]);
        }
 
@@ -278,9 +279,8 @@ void *kmap_high(struct page *page)
        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
@@ -305,7 +305,7 @@ void *kmap_high_get(struct page *page)
                pkmap_count[PKMAP_NR(vaddr)]++;
        }
        unlock_kmap_any(flags);
-       return (void*) vaddr;
+       return (void *) vaddr;
 }
 #endif
 
@@ -737,7 +737,6 @@ done:
        spin_unlock_irqrestore(&pas->lock, flags);
        return ret;
 }
-
 EXPORT_SYMBOL(page_address);
 
 /**