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From: "Daniel P. Berrange" <berrange-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Marcelo Tosatti <marcelo-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org>
Cc: kvm-devel
	<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>,
	virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Subject: Re: [PATCH] QEMU KVM balloon support
Date: Tue, 8 Jan 2008 16:43:42 +0000	[thread overview]
Message-ID: <20080108164342.GF21294@redhat.com> (raw)
In-Reply-To: <20080108154340.GC21726@dmt>

On Tue, Jan 08, 2008 at 01:43:40PM -0200, Marcelo Tosatti wrote:
> Index: kvm-userspace/qemu/monitor.c
> ===================================================================
> --- kvm-userspace.orig/qemu/monitor.c
> +++ kvm-userspace/qemu/monitor.c
> @@ -1339,6 +1339,8 @@ static term_cmd_t term_cmds[] = {
>        "", "cancel the current VM migration" },
>      { "migrate_set_speed", "s", do_migrate_set_speed,
>        "value", "set maximum speed (in bytes) for migrations" },
> +    { "setmem", "s", do_setmemory, "value", 
> +      "set memory for the guest (in bytes)" },
>      { NULL, NULL, },
>  };

[snip]

> +void do_setmemory(const char *value)
> +{
> +	int target_ramsize;
> +	char *ptr;
> +
> +	target_ramsize = strtol(value, &ptr, 10);
> +	switch (*ptr) {
> +	case 'G': case 'g':
> +		target_ramsize *= 1024;
> +	case 'M': case 'm':
> +		target_ramsize *= 1024;
> +	case 'K': case 'k':
> +		target_ramsize *= 1024;
> +	default:
> +		break;
> +	}
> +
> +	if (target_ramsize > ram_size) {
> +		term_printf("Invalid RAM size, maximum: %d\n", ram_size);
> +		return;
> +	}
> +	
> +	balloon_update_target(target_ramsize);
> +}

Shouldn't this use  int64, and strtoll(), otherwise you'll wrap
at the 2 GB mark ?

Regards,
Dan.
-- 
|=- Red Hat, Engineering, Emerging Technologies, Boston.  +1 978 392 2496 -=|
|=-           Perl modules: http://search.cpan.org/~danberr/              -=|
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  reply	other threads:[~2008-01-08 16:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-08 15:43 [PATCH] QEMU KVM balloon support Marcelo Tosatti
2008-01-08 16:43 ` Daniel P. Berrange [this message]
     [not found]   ` <20080108164342.GF21294-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-01-08 17:08     ` Marcelo Tosatti

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