Re: [Patch] New zone ZONE_EASY_RECLAIM take 4. (disable gfp_easy_reclaim bit)[5/8]

Yasunori Goto
2006-01-05T05:44:12Z

>
> > ===================================================================
> > --- zone_reclaim.orig/fs/pipe.c 2005-12-16 18:36:20.000000000 +0900
> > +++ zone_reclaim/fs/pipe.c 2005-12-16 19:15:35.000000000 +0900
> > @@ -284,7 +284,7 @@ pipe_writev(struct file *filp, const str
> > int error;
> >
> > if (!page) {
> > - page = alloc_page(GFP_HIGHUSER);
> > + page = alloc_page(GFP_HIGHUSER & ~__GFP_EASY_RECLAIM);
> > if (unlikely(!page)) {
> > ret = ret ? : -ENOMEM;
> > break;
>
> That is a bit hard to understand. How about a new GFP_HIGHUSER_HARD or
> somesuch define back in patch 1, then use it here?

It looks better. Thanks for your idea.