X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=mm%2Fswap.c;h=ee6d71ccfa56fe77173bc7806797b5fc01ec1112;hb=3578d3dd0b1e468a44a76a83efe90476a854625d;hp=154ae13d8b7e33bd9f5d929b2c7e4c16ab38590c;hpb=602d4a7e2f4b843d1a67375d4d7104073495b758;p=linux-2.6-omap-h63xx.git

diff --git a/mm/swap.c b/mm/swap.c
index 154ae13d8b7..ee6d71ccfa5 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -34,8 +34,6 @@
 /* How many pages do we try to swap or page in/out together? */
 int page_cluster;
 
-#ifdef CONFIG_HUGETLB_PAGE
-
 void put_page(struct page *page)
 {
 	if (unlikely(PageCompound(page))) {
@@ -52,7 +50,6 @@ void put_page(struct page *page)
 		__page_cache_release(page);
 }
 EXPORT_SYMBOL(put_page);
-#endif
 
 /*
  * Writeback is about to end against a page which has been marked for immediate
@@ -159,16 +156,22 @@ void fastcall lru_cache_add_active(struct page *page)
 	put_cpu_var(lru_add_active_pvecs);
 }
 
-void lru_add_drain(void)
+static void __lru_add_drain(int cpu)
 {
-	struct pagevec *pvec = &get_cpu_var(lru_add_pvecs);
+	struct pagevec *pvec = &per_cpu(lru_add_pvecs, cpu);
 
+	/* CPU is dead, so no locking needed. */
 	if (pagevec_count(pvec))
 		__pagevec_lru_add(pvec);
-	pvec = &__get_cpu_var(lru_add_active_pvecs);
+	pvec = &per_cpu(lru_add_active_pvecs, cpu);
 	if (pagevec_count(pvec))
 		__pagevec_lru_add_active(pvec);
-	put_cpu_var(lru_add_pvecs);
+}
+
+void lru_add_drain(void)
+{
+	__lru_add_drain(get_cpu());
+	put_cpu();
 }
 
 /*
@@ -413,20 +416,8 @@ void vm_acct_memory(long pages)
 	}
 	preempt_enable();
 }
-EXPORT_SYMBOL(vm_acct_memory);
 
 #ifdef CONFIG_HOTPLUG_CPU
-static void lru_drain_cache(unsigned int cpu)
-{
-	struct pagevec *pvec = &per_cpu(lru_add_pvecs, cpu);
-
-	/* CPU is dead, so no locking needed. */
-	if (pagevec_count(pvec))
-		__pagevec_lru_add(pvec);
-	pvec = &per_cpu(lru_add_active_pvecs, cpu);
-	if (pagevec_count(pvec))
-		__pagevec_lru_add_active(pvec);
-}
 
 /* Drop the CPU's cached committed space back into the central pool. */
 static int cpu_swap_callback(struct notifier_block *nfb,
@@ -439,7 +430,7 @@ static int cpu_swap_callback(struct notifier_block *nfb,
 	if (action == CPU_DEAD) {
 		atomic_add(*committed, &vm_committed_space);
 		*committed = 0;
-		lru_drain_cache((long)hcpu);
+		__lru_add_drain((long)hcpu);
 	}
 	return NOTIFY_OK;
 }