[lkml]   [2001]   [May]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [Question] Explanation of zero-copy networking
On Mon, 7 May 2001, Alan Cox wrote:

> > documented so far) detailed description of the newly
> > implemented zero-copy mechanisms in the network-stack.
> > We are interested in how to use it (changed network-API?)
> > and also in the internal architecture.
> It is built around sendfile. Trying to do zero copy on pages with user space
> mappings get so horribly non pretty it is better to build the API from the
> physical side of things.

so there's still single copy for write() of a mmap()ed page?

since i'm naive about the high-end databases -- do they have a mechanism
to access zero-copy? i suppose sendfile() on a raw device fd would
work... nice.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 12:52    [W:0.090 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site