Re: [resent PATCH] Re: very slow parallel read performance

Daniel Phillips
2001-08-27T21:22:52Z

On August 27, 2001 09:34 pm, Alex Bligh - linux-kernel wrote:
> As another optimization, we may need to think of pages used
> by multiple streams. Think, for instance, of 'make -j' and
> header files, or many users ftp'ing down the same file.
> Just because one gcc process has read past
> a block in a header file, I submit that we are less keen to
> drop it if it is in the readahead chain for another.

This is supposed to be handled by putting the page on the active list and
aging it up, i.e., the current behaviour.

--
Daniel