On Fri, 16 Jan 2015 00:18:12 +0200 "Michael S. Tsirkin" <m...@redhat.com> wrote:
> for_each_zone_zonelist_nodemask wants an enum zone_type > argument, but is passed gfp_t: > > mm/vmscan.c:2658:9: expected int enum zone_type [signed] highest_zoneidx > mm/vmscan.c:2658:9: got restricted gfp_t [usertype] gfp_mask > mm/vmscan.c:2658:9: warning: incorrect type in argument 2 (different base > types) > mm/vmscan.c:2658:9: expected int enum zone_type [signed] highest_zoneidx > mm/vmscan.c:2658:9: got restricted gfp_t [usertype] gfp_mask Which tool emitted these warnings? > convert argument to the correct type. > > ... > > --- a/mm/vmscan.c > +++ b/mm/vmscan.c > @@ -2656,7 +2656,7 @@ static bool throttle_direct_reclaim(gfp_t gfp_mask, > struct zonelist *zonelist, > * should make reasonable progress. > */ > for_each_zone_zonelist_nodemask(zone, z, zonelist, > - gfp_mask, nodemask) { > + gfp_zone(gfp_mask), nodemask) { > if (zone_idx(zone) > ZONE_NORMAL) > continue; hm, I wonder what the runtime effects are. The throttle_direct_reclaim() comment isn't really accurate, is it? "Throttle direct reclaimers if backing storage is backed by the network". The code is applicable to all types of backing, but was added to address problems which are mainly observed with network backing? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/