Re: [PATCH] Preserve hibenate-system-image on startup

[Pavel Machek <pavel@ucw.cz>]

Hi!

> We are now investigating fast startup/shutdown using
> 2.6 kernel PM functions.
> 
> An attached patch enables kernel to preserve system image
> on startup, to implement "Snapshot boot".Majordomo@vger.kernel.org wrote:
> Conventionally system image will be broken after startup.
> 
> Snapshot boot uses un-hibernate from a permanent system image for
> startup. During shutdown, does a conventional shutdown without
> saving a system image.
> 
> We'll explain concept and initial work at OLS. So if you have
> interest, we can talk with you at Ottawa.

Interesting....

> +config PRESERVE_SWSUSP_IMAGE
> +	bool "Preserve swsuspend image"
> +	depends on SOFTWARE_SUSPEND
> +	default n
> +	---help---
> +	  Useally boot with swsup destories the swsusp image.
> +	  This function enables to preserve swsup image over boot cycle. 
> +	  Default behavior is not chaged even this configuration turned on.
> +
> +	  To preseve swsusp image, specify following option to command line;
> +
> +		prsv-img

You are missing "eeeae" here.

> +}
> +
> +/**
> + * swsusp_swpoff -  Turn off swap and set signature for swsusp image
             ~~~~~~
		missing "a".

In general, the patch looks a bit too long, given it only needs to
comment out one write...
								Pavel

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teflon -- maybe it is a trademark, but it should not be.