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(parent: 31f4574) | patch
net: Optimize memory usage when splicing from sockets.
authorJarek Poplawski <jarkao2@gmail.com>
Sun, 1 Feb 2009 08:41:42 +0000 (00:41 -0800)
committerDavid S. Miller <davem@davemloft.net>
Sun, 1 Feb 2009 08:41:42 +0000 (00:41 -0800)
commit4fb669948116d928ae44262ab7743732c574630d
tree0be7481f6339fe4cb32faf4047f15f7cc962babctree | snapshot (tar.gz zip)
parent31f4574774e98aa275aeeee94f41ce042285ed8ecommit | diff
net: Optimize memory usage when splicing from sockets.

The recent fix of data corruption when splicing from sockets uses
memory very inefficiently allocating a new page to copy each chunk of
linear part of skb. This patch uses the same page until it's full
(almost) by caching the page in sk_sndmsg_page field.

With changes from David S. Miller <davem@davemloft.net>

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/skbuff.c diff | blob | blame | history
Motorola kernel-slsi