Messages in this thread | | | Date | Sat, 2 Feb 2002 13:39:34 -0200 (BRST) | From | Rik van Riel <> | Subject | Re: [PATCH] Radix-tree pagecache for 2.5 |
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On Fri, 1 Feb 2002, Jeff Garzik wrote:
> > the biggest reason for this is that we *suck* at readahead for mmap.... > > Is there not also fault overhead and similar issues related to mmap(2) > in general, that are not present with read(2)/write(2)?
If a fault is more expensive than a system call, we're doing something wrong in the page fault path ;)
Rik -- "Linux holds advantages over the single-vendor commercial OS" -- Microsoft's "Competing with Linux" document
http://www.surriel.com/ http://distro.conectiva.com/
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