On Sun, 20 May 2007, Fengguang Wu wrote:
> The reuse code would look like the attached one.
> It still needs more testing, and would fail if Christoph reuses
> PG_reclaim in higher order pagecache in the future.
Do not worry about that. All higher order pagecache patchsets remove that
sharing bec
On Sat, May 19, 2007 at 08:25:04AM -0700, Andrew Morton wrote:
> On Sat, 19 May 2007 20:30:31 +0800 Fengguang Wu <[EMAIL PROTECTED]> wrote:
>
> > On Fri, May 18, 2007 at 11:28:24PM -0700, Andrew Morton wrote:
> > > On Thu, 17 May 2007 06:47:53 +0800 Fengguang Wu <[EMAIL PROTECTED]> wrote:
> > >
>
On Sat, 19 May 2007 20:30:31 +0800 Fengguang Wu <[EMAIL PROTECTED]> wrote:
> On Fri, May 18, 2007 at 11:28:24PM -0700, Andrew Morton wrote:
> > On Thu, 17 May 2007 06:47:53 +0800 Fengguang Wu <[EMAIL PROTECTED]> wrote:
> >
> > > Introduce a new page flag: PG_readahead.
> >
> > Is there any way i
On Fri, May 18, 2007 at 11:28:24PM -0700, Andrew Morton wrote:
> On Thu, 17 May 2007 06:47:53 +0800 Fengguang Wu <[EMAIL PROTECTED]> wrote:
>
> > Introduce a new page flag: PG_readahead.
>
> Is there any way in which we can avoid adding a new page flag?
>
> We have the advantage that if the kern