On Wed, 30 Sep 2015 17:33:42 +0800 Xishi Qiu <[email protected]> wrote:
> If user set "movablecore=xx" to a large number, corepages will overflow, > this patch fix the problem. > > Signed-off-by: Xishi Qiu <[email protected]> > --- Looks good to me. Reviewed-by: Yasuaki Ishimatsu <[email protected]> Thanks, Yasuaki Ishimatsu > mm/page_alloc.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index 48aaf7b..af3c9bd 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -5668,6 +5668,7 @@ static void __init > find_zone_movable_pfns_for_nodes(void) > */ > required_movablecore = > roundup(required_movablecore, MAX_ORDER_NR_PAGES); > + required_movablecore = min(totalpages, required_movablecore); > corepages = totalpages - required_movablecore; > > required_kernelcore = max(required_kernelcore, corepages); > -- > 2.0.0 > > > -- > 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/ -- 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/
