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amd-xgbe: Add the __GFP_NOWARN flag to Rx buffer allocation 

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>
hifive-unleashed-5.1
Tom Lendacky 2015-06-29 11:22:12 -05:00 committed by David S. Miller
parent 7c80c3af5a
commit 472cfe7127
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/amd/xgbe/xgbe-desc.c
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@ -268,7 +268,7 @@ 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)