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authorTom Lendacky <thomas.lendacky@amd.com>2015-06-29 11:22:12 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-07-10 09:49:32 -0700
commit8c6e5415f83cb5ba0da1321ec743b650c8a16764 (patch)
treede09a2de246e07dce7e1383e1b952db816bb365f
parent67866a8c30f4707cef895635d5d08cb8105d2f5e (diff)
amd-xgbe: Add the __GFP_NOWARN flag to Rx buffer allocation
[ Upstream commit 472cfe7127760d68b819cf35a26e5a1b44b30f4e ] When allocating Rx related buffers, alloc_pages is called using an order number that is decreased until successful. A system under stress can experience failures during this allocation process resulting in a warning being issued. This message can be of concern to end users even though the failure is not fatal. Since the failure is not fatal and can occur multiple times, the driver should include the __GFP_NOWARN flag to suppress the warning message from being issued. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-desc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
index d81fc6bd4759..5c92fb71b37e 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
@@ -263,7 +263,7 @@ static int xgbe_alloc_pages(struct xgbe_prv_data *pdata,
int ret;
/* Try to obtain pages, decreasing order if necessary */
- gfp |= __GFP_COLD | __GFP_COMP;
+ gfp |= __GFP_COLD | __GFP_COMP | __GFP_NOWARN;
while (order >= 0) {
pages = alloc_pages(gfp, order);
if (pages)