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Message-ID: <1303328545.19336.22.camel@localhost.localdomain>
Date: Wed, 20 Apr 2011 12:42:25 -0700
From: Shirley Ma <mashirle@...ibm.com>
To: David Miller <davem@...emloft.net>
Cc: mst@...hat.com, Eric Dumazet <eric.dumazet@...il.com>,
Avi Kivity <avi@...hat.com>, Arnd Bergmann <arnd@...db.de>,
netdev@...r.kernel.org, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH V3 1/8] Add a new sock zerocopy flag
This sock zerocopy flag is used to support lower level device DMA
userspace buffers.
Signed-off-by: Shirley Ma <xma@...ibm.com>
---
include/net/sock.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/include/net/sock.h b/include/net/sock.h
index 01810a3..daa0a80 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -562,6 +562,7 @@ enum sock_flags {
SOCK_TIMESTAMPING_SYS_HARDWARE, /* %SOF_TIMESTAMPING_SYS_HARDWARE */
SOCK_FASYNC, /* fasync() active */
SOCK_RXQ_OVFL,
+ SOCK_ZEROCOPY,
};
static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)
--
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