diff options
author | Alexander Duyck <alexander.h.duyck@intel.com> | 2017-02-06 18:26:40 -0800 |
---|---|---|
committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2017-03-17 12:11:44 -0700 |
commit | 3456fd53421e7f499395542d6c2e76e0b46ab4d3 (patch) | |
tree | 7105767d5e457e3cc50ebd3650240c08f44f9f1b /drivers/net/ethernet/intel/igb/igb_main.c | |
parent | cb0ef1d1dc8739e307f70493b7eb1184685dbbde (diff) |
igb: Use page_address offset from page instead of masking virtual address
Update the handling of page addresses so that we always refer to them using
a void pointer, and try to use the consistent name of va indicating we are
working with a virtual address.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb_main.c')
-rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 1bf31224dfac..44c590c5d5b7 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -6927,7 +6927,7 @@ static bool igb_add_rx_frag(struct igb_ring *rx_ring, struct sk_buff *skb) { struct page *page = rx_buffer->page; - unsigned char *va = page_address(page) + rx_buffer->page_offset; + void *va = page_address(page) + rx_buffer->page_offset; #if (PAGE_SIZE < 8192) unsigned int truesize = IGB_RX_BUFSZ; #else @@ -6969,7 +6969,7 @@ static bool igb_add_rx_frag(struct igb_ring *rx_ring, add_tail_frag: skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, - (unsigned long)va & ~PAGE_MASK, size, truesize); + va - page_address(page), size, truesize); return igb_can_reuse_rx_page(rx_buffer, page, truesize); } @@ -6994,13 +6994,12 @@ static struct sk_buff *igb_fetch_rx_buffer(struct igb_ring *rx_ring, DMA_FROM_DEVICE); if (likely(!skb)) { - void *page_addr = page_address(page) + - rx_buffer->page_offset; + void *va = page_address(page) + rx_buffer->page_offset; /* prefetch first cache line of first page */ - prefetch(page_addr); + prefetch(va); #if L1_CACHE_BYTES < 128 - prefetch(page_addr + L1_CACHE_BYTES); + prefetch(va + L1_CACHE_BYTES); #endif /* allocate a skb to store the frags */ |