These are DMA ring buffers for ISA DMA, they do not need to be zeroed.
diff -Nru a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c
--- a/drivers/net/wan/z85230.c Fri Oct 11 21:22:51 2002
+++ b/drivers/net/wan/z85230.c Fri Oct 11 21:22:51 2002
@@ -889,12 +889,12 @@
if(c->mtu > PAGE_SIZE/2)
return -EMSGSIZE;
- c->rx_buf[0]=(void *)get_free_page(GFP_KERNEL|GFP_DMA);
+ c->rx_buf[0]=(void *)get_zeroed_page(GFP_KERNEL|GFP_DMA);
if(c->rx_buf[0]==NULL)
return -ENOBUFS;
c->rx_buf[1]=c->rx_buf[0]+PAGE_SIZE/2;
- c->tx_dma_buf[0]=(void *)get_free_page(GFP_KERNEL|GFP_DMA);
+ c->tx_dma_buf[0]=(void *)get_zeroed_page(GFP_KERNEL|GFP_DMA);
if(c->tx_dma_buf[0]==NULL)
{
free_page((unsigned long)c->rx_buf[0]);
@@ -1079,7 +1079,7 @@
if(c->mtu > PAGE_SIZE/2)
return -EMSGSIZE;
- c->tx_dma_buf[0]=(void *)get_free_page(GFP_KERNEL|GFP_DMA);
+ c->tx_dma_buf[0]=(void *)get_zeroed_page(GFP_KERNEL|GFP_DMA);
if(c->tx_dma_buf[0]==NULL)
return -ENOBUFS;
-
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This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:44 EST