Re: [PATCH] vma limited swapin readahead

From: Rik van Riel (
Date: Thu Feb 01 2001 - 14:07:00 EST

On Thu, 1 Feb 2001, David Gould wrote:
> On Thu, Feb 01, 2001 at 11:26:01AM +0000, Stephen C. Tweedie wrote:

> > Also remember that the readahead pages won't actually get mapped into
> > memory, so they can be recycled easily. So, under swapping you tend
> > to find that the extra readin pages are going to be replacing old,
> > unneeded readahead pages to some extent, rather than swapping out
> > useful pages.
> Ok. I am convinced. I would have even thought of this myself
> eventually...

for more information about this bug, and a proposed way to fix
the problem.

Or the whole Linux-MM bugzilla:



Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...

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

This archive was generated by hypermail 2b29 : Wed Feb 07 2001 - 21:00:13 EST