Re: VM: question

Benjamin C.R. LaHaise (blah@kvack.org)
Tue, 14 Apr 1998 19:49:58 -0400 (EDT)

On 14 Apr 1998, Eric W. Biederman wrote:
...
> What may be a better solution for linux is not reverse lookups but a
> please free me flag, that the usual vmscan, shrink_mmap, & co can use
> to do the work. We traverse the page tables fairly it often it feels
> like.

There are other reasons for having reverse lookups: marking shared pages
as clean, and more fairness in love and swapping... Also the
implementation I've come up with is reasonable non-intrusive (its main
side effect is that vma's are as easily coalesced).

-ben

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