net/hyperv: Remove unnecessary kmap_atomic in netvsc driver
__get_free_pages() doesn't return HI memory, so the memory is always mapped.
kmap_atomic() is not necessary here. This patch removes the kmap_atomic()
calls and related code for locking and page manipulation.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 49b131f..ff1b520 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -39,9 +39,6 @@
u32 count;
};
-/* The number of pages which are enough to cover jumbo frame buffer. */
-#define NETVSC_PACKET_MAXPAGE 4
-
/*
* Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
* within the RNDIS
@@ -77,8 +74,9 @@
u32 total_data_buflen;
/* Points to the send/receive buffer where the ethernet frame is */
+ void *data;
u32 page_buf_cnt;
- struct hv_page_buffer page_buf[NETVSC_PACKET_MAXPAGE];
+ struct hv_page_buffer page_buf[0];
};
struct netvsc_device_info {