ixgbe: Fix memory leak in ixgbe when receiving traffic on DDP enabled rings

This patch fixes a memory leak that was introduced in the 3.4 kernel.  The
leak occurred when FCoE was enabled and traffic was passed over the FCoE
rings reserved for FCoE.  The memory leak was due to us not populating the
compound page information on the order 1 pages needed for FCoE.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 17ad6a3c1be126f2d25cf7e8ce448a7385ec8fc2..cbb05d65960fa2f082fba86c5728fe3fcb679841 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -1148,7 +1148,7 @@ static bool ixgbe_alloc_mapped_page(struct ixgbe_ring *rx_ring,
 
        /* alloc new page for storage */
        if (likely(!page)) {
-               page = alloc_pages(GFP_ATOMIC | __GFP_COLD,
+               page = alloc_pages(GFP_ATOMIC | __GFP_COLD | __GFP_COMP,
                                   ixgbe_rx_pg_order(rx_ring));
                if (unlikely(!page)) {
                        rx_ring->rx_stats.alloc_rx_page_failed++;