From: jamal <redacted>
Date: Sun, 18 Oct 2009 08:12:33 -0400

commit f7c6fd2465d8e6f4f89c5d1262da10b4a6d499d0
Author: Jamal Hadi Salim [off-list ref]
Date:   Sun Oct 18 08:04:51 2009 -0400

    [PATCH] net: Fix RPF to work with policy routing
    Policy routing is not looked up by mark on reverse path filtering.
    This fixes it.
    
    Signed-off-by: Jamal Hadi Salim [off-list ref]

Applied to net-2.6, thanks.