Re: [RFC][patch 0/2] mm: remove PageReserved

David Howells
2005-08-10T13:13:33Z

Andrew Morton <akpm@osdl.org> wrote:

> > ...kill PG_checked please :) Or at least keep it from spreading.
> >
>
> It already spread - ext3 is using it and I think reiser4. I thought I had
> a patch to rename it to PG_misc1 or somesuch, but no. It's mandate becomes
> "filesystem-specific page flag".

You're carrying a patch to stick a flag called PG_fs_misc, but that has the
same value as PG_checked. An extra page flag beyond PG_uptodate, PG_lock and
PG_writeback is required to make readpage through the cache non-synchronous.

David