[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20090530113554.GN24073@balbir.in.ibm.com>
Date: Sat, 30 May 2009 19:35:54 +0800
From: Balbir Singh <balbir@...ux.vnet.ibm.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: "linux-mm@...ck.org" <linux-mm@...ck.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>,
"hugh.dickins@...cali.co.uk" <hugh.dickins@...cali.co.uk>,
"hannes@...xchg.org" <hannes@...xchg.org>,
"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
Subject: Re: [PATCH 2/4] modify swap_map and add SWAP_HAS_CACHE flag.
* KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> [2009-05-30 20:16:51]:
> Balbir Singh wrote:
> >> #define SWAP_CLUSTER_MAX 32
> >>
> >> -#define SWAP_MAP_MAX 0x7fff
> >> -#define SWAP_MAP_BAD 0x8000
> >> -
> >> +#define SWAP_MAP_MAX 0x7ffe
> >> +#define SWAP_MAP_BAD 0x7fff
> >> +#define SWAP_HAS_CACHE 0x8000 /* There is a swap cache of entry. */
> >
> > Why count, can't we use swp->flags?
> >
>
> Hmm ? swap_map just only a "unsiged short" value per entry..sorry,
> I can't catch what you mention to.
Sorry for the noise, the count is directly contained in swap_map[].
--
Balbir
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists