Date: Wed, 30 Aug 2000 01:53:48 -0600 From: Warner Losh <imp@village.org> To: adsharma@sharmas.dhs.org (Arun Sharma) Cc: freebsd-mobile@FreeBSD.ORG Subject: Re: Fwd: Suggestion for laptop suspension Message-ID: <200008300753.BAA14369@harmony.village.org> In-Reply-To: Your message of "Mon, 28 Aug 2000 23:05:05 PDT." <200008290605.XAA28354@sharmas.dhs.org> References: <200008290605.XAA28354@sharmas.dhs.org>
next in thread | previous in thread | raw e-mail | index | archive | help
In message <200008290605.XAA28354@sharmas.dhs.org> Arun Sharma writes: : On my laptop, suspending to disk is slow. It takes a whole minute, and : another minute to unsuspend--if all of core is in use. But it is much : faster when I do it not too long after the system was booted, when it has : not yet managed to use up most of core. : : This suggests that it could be nice to make the kernel empty its caches, and : mark all that core "unused", when a suspend is about to happen. I don't : know the details of how suspension works, so I am not sure this is possible, : but I think there are hooks for doing something in the kernel before a : suspend. no. that's not how things work. suspend is in the bios and has no clue about what is or isn't used, so it always does the whole thing. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200008300753.BAA14369>