On Mon, 23 Jul 2012 at 02:31 GMT, Gavin Shan <shangw@xxxxxxxxxxxxxxxxxx> wrote: > With CONFIG_SPARSEMEM_EXTREME, the two level of memory section > descriptors are allocated from slab or bootmem. When allocating > from slab, let slab/bootmem allocator to clear the memory chunk. > We needn't clear that explicitly. > > Signed-off-by: Gavin Shan <shangw@xxxxxxxxxxxxxxxxxx> > Reviewed-by: Michal Hocko <mhocko@xxxxxxx> > Acked-by: David Rientjes <rientjes@xxxxxxxxxx> Reviewed-by: Cong Wang <xiyou.wangcong@xxxxxxxxx> -- 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>