af_unix: limit unix_tot_inflight

[mv-sheeva.git] / net / unix / garbage.c

diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index c8df6fda0b1fcf124b65812f600710a3b3f17069..40df93d1cf35534a1722180b2ed1d0e783bce25a 100644 (file)
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -259,9 +259,16 @@ static void inc_inflight_move_tail(struct unix_sock *u)
 }
 
 static bool gc_in_progress = false;
+#define UNIX_INFLIGHT_TRIGGER_GC 16000
 
 void wait_for_unix_gc(void)
 {
+       /*
+        * If number of inflight sockets is insane,
+        * force a garbage collect right now.
+        */
+       if (unix_tot_inflight > UNIX_INFLIGHT_TRIGGER_GC && !gc_in_progress)
+               unix_gc();
        wait_event(unix_gc_wait, gc_in_progress == false);
 }