[PATCH] list: use list_replace_init() instead of list_splice_init()

list_splice_init(list, head) does unneeded job if it is known that
list_empty(head) == 1.  We can use list_replace_init() instead.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/i386/mm/pageattr.c b/arch/i386/mm/pageattr.c
index 92c3d9f0e731..0887b34bc59b 100644
--- a/arch/i386/mm/pageattr.c
+++ b/arch/i386/mm/pageattr.c
@@ -209,19 +209,19 @@ int change_page_attr(struct page *page, int numpages, pgprot_t prot)
 }
 
 void global_flush_tlb(void)
-{ 
-        LIST_HEAD(l);
+{
+        struct list_head l;
         struct page *pg, *next;
 
         BUG_ON(irqs_disabled());
 
         spin_lock_irq(&cpa_lock);
-        list_splice_init(&df_list, &l);
+        list_replace_init(&df_list, &l);
         spin_unlock_irq(&cpa_lock);
         flush_map();
         list_for_each_entry_safe(pg, next, &l, lru)
                 __free_page(pg);
-} 
+}
 
 #ifdef CONFIG_DEBUG_PAGEALLOC
 void kernel_map_pages(struct page *page, int numpages, int enable)