Re: [RFC][PATCH 0/1] Node-based reclaim/migration

Paul Menage
2006-11-30T19:09:28Z

On 11/30/06, Christoph Lameter <clameter@sgi.com> wrote:
>
> F.e. A page cache page may have mapcount == 0.

OK, I was thinking just about anon pages.

For pagecache pages, it's safe to access the mapping as long as we've
locked the page, even if mapcount is 0? So we don't have the same
races?

Paul