Merge commit 'v2.6.37-rc7' into spi/next

1 files changed, 8 insertions, 1 deletions

diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index c8df6fda0b1f..f89f83bf828e 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -96,7 +96,7 @@ static DECLARE_WAIT_QUEUE_HEAD(unix_gc_wait);
 unsigned int unix_tot_inflight;
 
 
-static struct sock *unix_get_socket(struct file *filp)
+struct sock *unix_get_socket(struct file *filp)
 {
         struct sock *u_sock = NULL;
         struct inode *inode = filp->f_path.dentry->d_inode;
@@ -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);
 }