Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=72d0b7a81d60f5e64ee7197bc190b9b3265f99dd
Commit:     72d0b7a81d60f5e64ee7197bc190b9b3265f99dd
Parent:     70774b47392171faae0e98f795aa1507f9246af1
Author:     Chris Leech <[EMAIL PROTECTED]>
AuthorDate: Thu Mar 8 09:57:35 2007 -0800
Committer:  Dan Williams <[EMAIL PROTECTED]>
CommitDate: Wed Jul 11 15:39:05 2007 -0700

    I/OAT: Add documentation for the tcp_dma_copybreak sysctl
    
    Signed-off-by: Chris Leech <[EMAIL PROTECTED]>
---
 Documentation/networking/ip-sysctl.txt |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/Documentation/networking/ip-sysctl.txt 
b/Documentation/networking/ip-sysctl.txt
index af6a63a..8f6067e 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -433,6 +433,12 @@ tcp_workaround_signed_windows - BOOLEAN
        not receive a window scaling option from them.
        Default: 0
 
+tcp_dma_copybreak - INTEGER
+       Lower limit, in bytes, of the size of socket reads that will be
+       offloaded to a DMA copy engine, if one is present in the system
+       and CONFIG_NET_DMA is enabled.
+       Default: 4096
+
 CIPSOv4 Variables:
 
 cipso_cache_enable - BOOLEAN
-
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