X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fcore%2Fdst.c;h=836ec66069254752c7ca2b9db0a597419dd758a2;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=fc434ade5270e1b99770a9a5f91b2a8747a50093;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git

diff --git a/net/core/dst.c b/net/core/dst.c
index fc434ade5..836ec6606 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -39,12 +39,12 @@ static unsigned long dst_gc_timer_inc = DST_GC_MAX;
 static void dst_run_gc(unsigned long);
 static void ___dst_free(struct dst_entry * dst);
 
-static struct timer_list dst_gc_timer =
-	TIMER_INITIALIZER(dst_run_gc, DST_GC_MIN, 0);
+static DEFINE_TIMER(dst_gc_timer, dst_run_gc, DST_GC_MIN, 0);
 
 static void dst_run_gc(unsigned long dummy)
 {
 	int    delayed = 0;
+	int    work_performed;
 	struct dst_entry * dst, **dstp;
 
 	if (!spin_trylock(&dst_lock)) {
@@ -52,9 +52,9 @@ static void dst_run_gc(unsigned long dummy)
 		return;
 	}
 
-
 	del_timer(&dst_gc_timer);
 	dstp = &dst_garbage_list;
+	work_performed = 0;
 	while ((dst = *dstp) != NULL) {
 		if (atomic_read(&dst->__refcnt)) {
 			dstp = &dst->next;
@@ -62,6 +62,7 @@ static void dst_run_gc(unsigned long dummy)
 			continue;
 		}
 		*dstp = dst->next;
+		work_performed = 1;
 
 		dst = dst_destroy(dst);
 		if (dst) {
@@ -86,15 +87,19 @@ static void dst_run_gc(unsigned long dummy)
 		dst_gc_timer_inc = DST_GC_MAX;
 		goto out;
 	}
-	if ((dst_gc_timer_expires += dst_gc_timer_inc) > DST_GC_MAX)
-		dst_gc_timer_expires = DST_GC_MAX;
-	dst_gc_timer_inc += DST_GC_INC;
-	dst_gc_timer.expires = jiffies + dst_gc_timer_expires;
+	if (!work_performed) {
+		if ((dst_gc_timer_expires += dst_gc_timer_inc) > DST_GC_MAX)
+			dst_gc_timer_expires = DST_GC_MAX;
+		dst_gc_timer_inc += DST_GC_INC;
+	} else {
+		dst_gc_timer_inc = DST_GC_INC;
+		dst_gc_timer_expires = DST_GC_MIN;
+	}
 #if RT_CACHE_DEBUG >= 2
 	printk("dst_total: %d/%d %ld\n",
 	       atomic_read(&dst_total), delayed,  dst_gc_timer_expires);
 #endif
-	add_timer(&dst_gc_timer);
+	mod_timer(&dst_gc_timer, jiffies + dst_gc_timer_expires);
 
 out:
 	spin_unlock(&dst_lock);
@@ -120,7 +125,7 @@ void * dst_alloc(struct dst_ops * ops)
 		if (ops->gc())
 			return NULL;
 	}
-	dst = kmem_cache_alloc(ops->kmem_cachep, SLAB_ATOMIC);
+	dst = kmem_cache_alloc(ops->kmem_cachep, GFP_ATOMIC);
 	if (!dst)
 		return NULL;
 	memset(dst, 0, ops->entry_size);