Re: [Suspend2][ 15/20] [Suspend2] Attempt to freeze processes.

[Pavel Machek]

Hi!

> Call the freezer code to get processes frozen, and abort suspending if that
> fails. May be called multiple times as we thaw kernel space (only) if we
> need to free memory to meet constraints.

Current code seems to free memory without need to thaw/re-freeze
kernel threads. Have you found bugs in that, or is this unneccessary?

> +static int attempt_to_freeze(void)
> +{
> +	int result;
> +	
> +	/* Stop processes before checking again */
> +	thaw_processes(FREEZER_ALL_THREADS);
> +	suspend_prepare_status(CLEAR_BAR, "Freezing processes");
> +	result = freeze_processes();
> +
> +	if (result) {
> +		set_result_state(SUSPEND_ABORTED);
> +		set_result_state(SUSPEND_FREEZING_FAILED);
> +	} else
> +		are_frozen = 1;
> +
> +	return result;
> +}
> +


-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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