On Wed, 18 Jul 2012 10:22:00 +0900 Minchan Kim <minchan@xxxxxxxxxx> wrote: > > > > Is this really necessary? Does the zone start out all-zeroes? If not, can we > > make it do so? > > Good point. > It can remove zap_zone_vm_stats and zone->flags = 0, too. > More important thing is that we could remove adding code to initialize > zero whenever we add new field to zone. So I look at the code. > > In summary, IMHO, all is already initialie zero out but we need double > check in mips. > Well, this is hardly a performance-critical path. So rather than groveling around ensuring that each and every architectures does the right thing, would it not be better to put a single memset() into core MM if there is an appropriate place? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>