linux-kernel - Re: [PATCH 2.6.16.29 1/1] MM: enhance Linux swap subsystem

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Fri, 12 Jan 2007 10:46:55 +0800
From:	"yunfeng zhang" <zyf.zeroos@...il.com>
To:	"Rik van Riel" <riel@...hat.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.16.29 1/1] MM: enhance Linux swap subsystem

2007/1/11, yunfeng zhang <zyf.zeroos@...il.com>:
2007/1/11, Rik van Riel <riel@...hat.com>:
>
> Have you actually measured this?
>
> If your measurements saw any performance gains, with what kind
> of workload did they happen, how big were they and how do you
> explain those performance gains?
>
> How do you balance scanning the private memory with taking
> pages off the per-zone page lists?
>
> How do you deal with systems where some zones are really
> large and other zones are really small, eg. a 32 bit system
> with one 880MB zone and one 15.1GB zone?
>

Another solution is add a new field preferred_zone to the scan_control of
mm/vmscan.c, keep it in mind that new swap strategy is from up to down, from
UserSpace to PrivatePage/SharedPage.
-
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/