diff options
| author | Catherine Sullivan <csully@google.com> | 2022-01-25 16:38:43 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-01-26 18:45:01 -0800 |
| commit | a92f7a6feeb3884c69c1c7c1f13bccecb2228ad0 (patch) | |
| tree | e4a4d0446b0e81dd2892478b99326e64db6f9872 /drivers/net/ethernet/google/gve/gve_rx.c | |
| parent | 2f6513284347432d137ce54e30baae2aa5d5f55c (diff) | |
| download | linux-a92f7a6feeb3884c69c1c7c1f13bccecb2228ad0.tar.bz2 | |
gve: Fix GFP flags when allocing pages
Use GFP_ATOMIC when allocating pages out of the hotpath,
continue to use GFP_KERNEL when allocating pages during setup.
GFP_KERNEL will allow blocking which allows it to succeed
more often in a low memory enviornment but in the hotpath we do
not want to allow the allocation to block.
Fixes: f5cedc84a30d2 ("gve: Add transmit and receive support")
Signed-off-by: Catherine Sullivan <csully@google.com>
Signed-off-by: David Awogbemila <awogbemila@google.com>
Link: https://lore.kernel.org/r/20220126003843.3584521-1-awogbemila@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_rx.c')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_rx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c index 9ddcc497f48e..2068199445bd 100644 --- a/drivers/net/ethernet/google/gve/gve_rx.c +++ b/drivers/net/ethernet/google/gve/gve_rx.c @@ -86,7 +86,8 @@ static int gve_rx_alloc_buffer(struct gve_priv *priv, struct device *dev, dma_addr_t dma; int err; - err = gve_alloc_page(priv, dev, &page, &dma, DMA_FROM_DEVICE); + err = gve_alloc_page(priv, dev, &page, &dma, DMA_FROM_DEVICE, + GFP_ATOMIC); if (err) return err; |