[PATCH net-next v4 11/12] net: ethernet: aquantia: Fixed memory allocation if AQ_CFG_RX_FRAME_MAX > 1 page.

[Pavel Belous]

From: Pavel Belous <pavel.bel...@aquantia.com>

We should allocate the number of pages based on the config parameter
AQ_CFG_RX_FRAME_MAX.

Signed-off-by: Pavel Belous <pavel.bel...@aquantia.com>
---
 drivers/net/ethernet/aquantia/atlantic/aq_ring.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c 
b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
index 22bb75e..51f4e7f 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
@@ -270,6 +270,8 @@ int aq_ring_rx_clean(struct aq_ring_s *self, int 
*work_done, int budget)
 
 int aq_ring_rx_fill(struct aq_ring_s *self)
 {
+       unsigned int pages_order = fls(AQ_CFG_RX_FRAME_MAX / PAGE_SIZE +
+               (AQ_CFG_RX_FRAME_MAX % PAGE_SIZE ? 1 : 0)) - 1;
        struct aq_ring_buff_s *buff = NULL;
        int err = 0;
        int i = 0;
@@ -282,7 +284,7 @@ int aq_ring_rx_fill(struct aq_ring_s *self)
                buff->len = AQ_CFG_RX_FRAME_MAX;
 
                buff->page = alloc_pages(GFP_ATOMIC | __GFP_COLD |
-                                        __GFP_COMP, 0);
+                                        __GFP_COMP, pages_order);
                if (!buff->page) {
                        err = -ENOMEM;
                        goto err_exit;
-- 
2.7.4