On Fri, 2011-04-15 at 23:53 +0100, Dan Magenheimer wrote: > > From: Ian Campbell [mailto:Ian.Campbell@xxxxxxxxxx] > > Sent: Friday, April 15, 2011 4:02 PM > > Subject: Re: [PATCH] xen: cleancache shim to Xen Transcendent Memory > > > > On Thu, 2011-04-14 at 14:20 -0700, Dan Magenheimer wrote: > > > [PATCH] xen: cleancache shim to Xen Transcendent Memory > > > > > > This patch provides a shim between the kernel-internal cleancache > > > API (see Documentation/mm/cleancache.txt) and the Xen Transcendent > > > Memory ABI (see http://oss.oracle.com/projects/tmem). > > > > There's no need to build this into a kernel which doesn't have > > cleancache (or one of the other frontends), is there? I think there > > should be a Kconfig option (even if its not a user visible one) with > > the appropriate depends/selects. > > Yes, you're right. It should eventually depend on > > CONFIG_CLEANCACHE || CONFIG_FRONTSWAP > > though there's no sense merging this xen cleancache > shim at all unless/until Linus merges cleancache > (and hopefully later some evolution of frontswap). Cleancache isn't in already? I thought I saw references to it in drivers/staging? > And once cleancache (and/or frontswap) is merged, > there's very little reason NOT to enable one or > both on a Xen guest kernel. There are software knobs to allow the host- and guest-admin to opt in or out as they desire though, right? Ian. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>