[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xen/balloon: Set balloon's initial state to number of existing RAM pages
On 11/07/2013 04:37 AM, 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. > This fix the strange behavior I mentioned yesterday, every time after guest started balloon driver will be triggered unreasonably. > Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> > --- > 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(); By the way, should the other places using max_pfn also be changed with get_num_physpages()? > balloon_stats.target_pages = balloon_stats.current_pages; > balloon_stats.balloon_low = 0; > balloon_stats.balloon_high = 0; > -- Regards, -Bob _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |