On Wed, Nov 06, 2013 at 03:37:40PM -0500, Boris Ostrovsky wrote: > Currently balloon's initial value is set to max_pfn which includes > non-RAM ranges such as MMIO hole. As result, initial memory target > (specified by guest's configuration file) will appear smaller than > what balloon driver perceives to be the current number of available > pages. Thus it will balloon down "extra" pages, decreasing amount of > available memory for no good reason.
Duh! Reviewed-by: Konrad Rzeszutek Wilk <[email protected]> > > Signed-off-by: Boris Ostrovsky <[email protected]> > --- > drivers/xen/balloon.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c > index b232908..1b62304 100644 > --- a/drivers/xen/balloon.c > +++ b/drivers/xen/balloon.c > @@ -641,7 +641,7 @@ static int __init balloon_init(void) > > balloon_stats.current_pages = xen_pv_domain() > ? min(xen_start_info->nr_pages - xen_released_pages, max_pfn) > - : max_pfn; > + : get_num_physpages(); > balloon_stats.target_pages = balloon_stats.current_pages; > balloon_stats.balloon_low = 0; > balloon_stats.balloon_high = 0; > -- > 1.8.1.4 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
